Problem 3 What is the present equivalent amount of a year-end series of receipts of $6,000 over 5 years at 8% compounded annually? Problem 4 An epoxy mixer purchases for $33,000 has an estimated salvage value of $5,000 and an expected life of 3 years. An average of 200 pounds per month will be processed by the mixer. Calculate the annual equivalent cost of the mixer with an interest rate of 8%. Calculate the annual equivalent cost of the mixer with an interest rate of 12%. Problem 5 The following table shows the receipts and disbursements for a given venture. Determine the present worth of the receipts and disbursements of the venture for a 15% interest rate. Is the venture profitable? End of the Year Disbursements ($) 20,000 4,000 6,000 5,000 5,000 12,000 1,000