Topic 5.6: Research and Development Questions

Marisol Paints mixes paint to order in its shop and keeps a stock of empty tins from a local packaging firm. Figure 1 is the stock control chart for its empty tins, given here as the stock at each week. The chart's three lines are: maximum stock level 3 200 tins; reorder level 1 200 tins; buffer stock level 800 tins. An arrow (→) marks a delivery. | Week | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |---|---|---|---|---|---|---|---|---|---|---|---| | Stock (tins) | 3 200 | 2 800 | 2 400 | 2 000 | 1 600 | 1 200 | 800 → 3 200 | 2 800 | 2 400 | 2 000 | 1 600 | Referring to Figure 1, state Marisol Paints’ lead time (no working required).

Kestrel Glass makes 40,000 bottles a day and checks a sample from every hour of production. Define the term defect rate.

Marisol Paints mixes paint to order in its shop and keeps a stock of empty tins from a local packaging firm. Figure 1 is the stock control chart for its empty tins, given here as the stock at each week. The chart's three lines are: maximum stock level 3 200 tins; reorder level 1 200 tins; buffer stock level 800 tins. An arrow (→) marks a delivery. | Week | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |---|---|---|---|---|---|---|---|---|---|---|---| | Stock (tins) | 3 200 | 2 800 | 2 400 | 2 000 | 1 600 | 1 200 | 800 → 3 200 | 2 800 | 2 400 | 2 000 | 1 600 | Referring to Figure 1, state Marisol Paints’ reorder quantity (no working required).

Alba Honey keeps its own hives in Scotland, jars the honey in its own building and sells it through farm shops within 50 km. Describe one feature of a supply chain.

Kestrel Sportswear, a shop selling running shoes, holds a just-in-case stock of its best-selling trainer. Figure 1 is the stock control chart for its best-selling trainer, given here as the stock level every 2 weeks. An arrow (→) marks a delivery. | Week | 0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | |---|---|---|---|---|---|---|---|---|---| | Stock (pairs) | 200 | 160 | 120 | 80 | 40 → 200 | 160 | 120 | 80 | 40 → 200 | Using Figure 1, determine Kestrel Sportswear’s buffer stock.

Harbour Coffee Roasters roasts coffee beside the port and buys green coffee beans in bulk from growers in Brazil. Figure 1 is the stock control chart for its green coffee beans, given here as the stock at each week. The chart's three lines are: maximum stock level 5 000 kg; reorder level 2 000 kg; buffer stock level 1 000 kg. An arrow (→) marks a delivery. | Week | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |---|---|---|---|---|---|---|---|---|---|---|---| | Stock (kg) | 5 000 | 4 500 | 4 000 | 3 500 | 3 000 | 2 500 | 2 000 | 1 500 | 1 000 → 5 000 | 4 500 | 4 000 | Referring to Figure 1, state Harbour Coffee Roasters’ reorder quantity (no working required).

Tallow & Wick sells scented candles online and orders them from one maker, holding a stock in a rented garage. Figure 1 is the stock control chart for its lavender candle, given here as the stock level every 2 weeks. An arrow (→) marks a delivery. | Week | 0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | |---|---|---|---|---|---|---|---|---|---|---|---| | Stock (candles) | 900 | 750 | 600 | 450 | 300 | 150 → 900 | 750 | 600 | 450 | 300 | 150 → 900 | Using Figure 1, determine Tallow & Wick’s buffer stock.

Define the term supply chain management.

Kora Coffee buys coffee beans from farms in Ethiopia, roasts them in its own plant in Oslo and sells bags of coffee to cafés across Norway. Describe one feature of a supply chain.

Orbit Shoes rejects any pair whose stitching or sole fails its final inspection. Define the term defect rate.

Solis Bikes assembles city bicycles in a small workshop and buys its wheels from a maker in another region. Figure 1 is the stock control chart for its wheels, given here as the stock at each week. The chart's three lines are: maximum stock level 1 500 wheels; reorder level 750 wheels; buffer stock level 300 wheels. An arrow (→) marks a delivery. | Week | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |---|---|---|---|---|---|---|---|---|---|---|---| | Stock (wheels) | 1 500 | 1 350 | 1 200 | 1 050 | 900 | 750 | 600 | 450 | 300 → 1 500 | 1 350 | 1 200 | Referring to Figure 1, state Solis Bikes’ reorder quantity (no working required).

Brightpage Books, a chain of three bookshops, keeps a central stock of a best-selling novel. Figure 1 is the stock control chart for the novel, given here as the stock level every week. An arrow (→) marks a delivery. | Week | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |---|---|---|---|---|---|---|---|---|---|---|---|---|---| | Stock (copies) | 1 200 | 1 050 | 900 | 750 | 600 | 450 | 300 → 1 200 | 1 050 | 900 | 750 | 600 | 450 | 300 → 1 200 | Using Figure 1, determine Brightpage Books’ buffer stock.

Gallo Tiles uses 40 boxes of tile grout a day. Its supplier takes 10 days to deliver, and Gallo keeps a buffer stock of 150 boxes. Calculate Gallo Tiles’ reorder level for grout (no working required).

Loom & Thread designs shirts in Toronto. The cotton is grown in India, the shirts are sewn by a contractor in Bangladesh, and they are shipped to Canada and sold online. Describe one feature of a supply chain.

Trident Tyres runs its factory at 97% capacity utilization. State two disadvantages of operating at a high capacity utilization rate.

Harlow Taps tests every tap for leaks before it is packed and sent to shops. Define the term defect rate.

Oakham Joinery has run its workshop at full capacity for most of this year. State two disadvantages of operating at a high capacity utilization rate.

Cato Kitchens must fit 750 worktops in a month. Another manufacturer offers them at $96 each. Calculate the cost to Cato Kitchens of buying the 750 worktops (no working required).

Tarn Textiles employs 40 machinists who sew shirts in eight-hour shifts. Define the term labour productivity.

Oriel Lamps needs 3,000 lamp bases for a hotel order. Another manufacturer will supply them at $14 each. Calculate the cost to Oriel Lamps of buying the 3,000 lamp bases (no working required).