Use Present Value Tables or your calculator to complete the requirements below. Required: a. Determine the present value of a single $14,000 cash flow in 7 years if the interest (discount) rate is 8% per year. Round your answer to the nearest cent. $ b. Determine the number of periods for which $5,820 must be invested at an annual interest (discount) rate of 7% to produce an investment balance of $10,000. Round your answer to the nearest whole number of periods. periods c. Determine the size of the annual cash flow for a 25-year annuity with a present value of $49,113 and an annual interest rate of 9%. One payment is made at the end of each year. Round your answer to the nearest cent. $ d. Determine the annual interest rate at which an investment of $2,542 will provide for a single $4,000 cash flow in 4 years. Round your answer to the nearest whole percentage rate (for example, 10.6% rounds to 11%). % e. Determine the annual interest rate earned by an annuity that costs $17,119 and provides 15 payments of $2,000 each, one at the end of each of the next 15 years. Round your answer to the nearest whole percentage rate (for example, 10.6% rounds to 11%). %

Exercise 18-15 sheffield appliance center is an experienced home appliance dealer. sheffield appliance center also offers a number of services for the home appliances that it sells. assume that sheffield appliance center sells ovens on a standalone basis. sheffield appliance center also sells installation services and maintenance services for ovens. however, sheffield appliance center does not offer installation or maintenance services to customers who buy ovens from other vendors. pricing for ovens is as follows. oven only $790 oven with installation service 850 oven with maintenance services 970 oven with installation and maintenance services 990 in each instance in which maintenance services are provided, the maintenance service is separately priced within the arrangement at $180. additionally, the incremental amount charged by sheffield appliance center for installation approximates the amount charged by independent third parties. ovens are sold subject to a general right of return. if a customer purchases an oven with installation and/or maintenance services, in the event sheffield appliance center does not complete the service satisfactorily, the customer is only entitled to a refund of the portion of the fee that exceeds $790. assume that a customer purchases an oven with both installation and maintenance services for $990. (b) indicate the amount of revenue that should be allocated to the oven, the installation, and to the maintenance contract.