Iwo years; (ii) Five years. 3. Dianne borrows $12,000 from her bank to start an importing business. The bank charges an annual interest rate of 2.5% compounded quarterly over five years. What quarterly payments will Dianne have to make on the loan? 4. A company operates a savings scheme for its employees, with interest at 5.6% per year compounded monthly. (a) Calculate the amount saved at the end of 5 years when $200 is deposited at the end of each month. (b) How much should be saved from a monthly salary in order to have $15,000 at the end of 5 years? 5. The Bigfoot Sandal Co. manufactures sandals. Consider the following two scenarios: (a) For women's sandals, the material cost is $0.85 per pair and the labour cost is $0.96 per pair. Additional variable costs amount to $0.32 per pair. Fixed costs are $70,500. If each pair sells for $2.63, find the total output and revenue at the break-even number of sales. (b) Bigfoot Sandal Co. is interested to determine the break-even number of sales for two of their most popular shoe types: women and teen sandals. The combined variable costs of material for the two sandal types is $1.75 and the combined variable cost of labour is $1.60, while the combined selling price is $4.63, although fixed costs are still $70,500. Find the total output and revenue at the break-even number of sales