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15) A scholarship fund has $92,000 to invest now to provide scholarships to college students. They want to have at least $220,000 in 9 years. What rate of interest must they invest this money at to reach their goal? Use Table PV-1. EXHIBIT B-7 Table PV-1 Present Value of $1 Present Values of $1 Due In n Periods Discount Rate Number of Periods (el 6% 10% 15% 20% 643026 909 970 813 204 791 712 658 570 821 1792 735 572 S 567 497 407 507 432 335 7 627 327 514 10 105 322 247 162 120 312 215 140 104 026 PA 658 103 035 1/3 123 093 032 017 007 001 A) 7% B) 8% *C) 10% D) 11%