What is the present value of: (Use a Financial calculator to arrive at the answers. Enter all values as positive. Round the final 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 c. \\( \\$ 36,000 \\) in 15 years at 6 percent? Present value d. \\( \\$ 1,000 \\) in 30 years at 19 percent? Present value