7. For each of the following, decide whether you agree or disagree and explain your answer: a. Savings and investment are just two words for the same thing. b. When I buy a share of Microsoft stock, I have invested; when I buy a certificate of deposit, I have not. c. Higher interest rates lead to more investment because those investments pay a higher return.

3. Suppose you are looking to buy a bond that promises to pay $600,000 on the date of maturity in one year. A. If you bid for the bond and wind up paying a price of $590,000, solve for the interest rate on this bond. Round your answer to four decimal places. b. If on the next day, you bid for the bond and pay a price of $575,000, solve for the interest rate on the bond now. Round your answer to four decimal places. C. What is the relationship between the bond price and the interest rate on the bond?

Tom and Sue had W-2 earnings of $100,000 last year. They deposited $5,000 into each of their IRAs from money that was in their checking account. They also sold their five year old car for $1,000 less than it was worth. Due to a slow down in the housing market, the value of their home decreased by $25,000. What is their change in net worth? a. No change b. Minus $19,000 c. Minus $26,000 d. Plus $9,000 e. Plus $74,000

10. What is the present value of a perpetuity of $100 if the appropriate discount rate is 7%? If interest rates in general were to double and the appropriate discount rate rose to 14%, what would happen to the present value of the perpetuity?