What is the present value of: (Use a Financial calculator to arrive at the answers. Enter all values as positive. F answers to nearest whole dollar.) a. $9,000 in 8 years at 7 percent? Present value $ b. $27.000 in 7 years at 11 percent? Present value $1 C. $36.000 in 15 years at 6 percent? Present value $ d. $1,000 in 30 years at 19 percent? Present value $