please help..

Problem 1 For the following table (a) Draw the cash flow diagram Receipts Year 0 1 2 Disbursements $50,000 $15,000 $15,000 2 S5.000 System Initial Costs Produced Products Produced Products Preventive Maintance Produced Products Corrective Maintance Produced Products Preventive Maintance Produced Products Salvage value $15,000 $15,000 $15,000 $5,000 4 5 5 6 $15,000 $25,000 Problem 2 $1000 is deposited in a savinga account that pays 6% annual interest, and no money is withdrawn for three years. Most nearly, what is the account balance after 3 years? Problem 3 A company pays off a loan of $1,600,000 ny paying the same amount at the end of each year for 20 years. The annula interest rate on the loan is 3.3%. Most nearly, what is the annual payment? Problem 4 A computer with a useful life of five years has an intial cost of $6000. The salvage value is $2300, and the annual maintenance is $210/yr. The interest rate is 8%. What is most nearly the present value of the costs for the computer