shipping the ring, she must pay a shipping charge of $20. She must also pay GST (5%) and PST (8%) on the ring. Determine the total purchase price of Mahal's ring. (2 marks) 6. The Superior Jumpdrive Company sells jump drives for $10 each. Manufacturing cost is $2.60 per jump drive; marketing costs are $2.40 per jump drive, and royalty payments are 20% of the selling price. The fixed cost of preparing the jump drive is $18 000. Capacity is 15 000 jump drives. a. Compute i. the contribution margin; (2 marks) ii. the contribution rate. (2 marks) b. Compute the break-even point i. in units; (2 marks) ii. in dollars; (2 marks) iii. as a percent of capacity. (2 marks) c. Draw a detailed break-even chart. (2 marks) d. Determine the break-even point in units if fixed costs are increased by $1600, while manufacturing cost is reduced by $0.50 per jump drive. (2 marks) e. Determine the break-even point in units if the selling price is increased by 10%, while fixed costs are increased by $2900. (2 marks) 7. Determine the net price of an article listed at $590 less 37.5%, 12.5%, and 84% marks) 8. An invoice for $3200, dated March 20, terms 3/10 E.O.M., was received March 23. What payment must be made on April 10 to reduce the debt to $1200 (2 marks)