Solve in the detail

1. A rich man who owns several expensive cars decided to sell some of his cars. At time t = 0, he sold one car for $28,000. Six months later, he sold another one for $45,000. At the end of year 1, he got $72,000 for another. If he invested all of the money in a investment fund that earned 15% per year, compounded semiannually, how much did he have in the account at the end of 2 years? For the cash ows shown, determine the equivalent uniform annual worth in years 1 through 5 at an interest rate of 18% per year, compounded monthly. Year 1 2 3 4 5 Cash Flow, 5 0 0 450,000 350,000 350,000 A company that manufactures precision laboratory equipment, borrowed $2.4 million to renovate one of its testing labs. The loan was repaid in 2 years through quarterly payments that increased by $40,000 each time. At an interest rate of 10% per year, compounded quarterly, what was the size of the rst quarterly payment? In an effort to save money for early retirement, an environmental engineering colleague plans to deposit $1200 per month, starting 1 month from now, into a xed rate account that pays 8% per year, compounded semiannually. How much will be in the account at the end of 25 years? An engineer deposited her annual bonus of $10,000 into an account that pays interest at 8% per year, compounded semiannually. If she withdrew $1000 in months 2, 11, and 23, what was the total value of the account at the end of 3 years? Assume no 10192111911011 compounding. For the cash ows shown, determine the future worth in year 5. Year Cash Flow, $fY ear Estimated gPer Year 0 5000 12% 1 4 6000 12% 5 10000 15%