Problem 5-3 (similar to) Compound value solving for r) At what annual rate would the following have to be invested? a. $520 to grow to $1,171.14 in 12 years b. $320 to grow to $549.82 in 8 years c.$50 to grow to $509.87 in 19years d. $216 to grow to $273.31 in 6 years a. At what annual rate would $520 have to be invested to grow to $1,171.14 in 12 years? % (Round to the nearest whole percent) Enter your answer in the answer box and then click Check Answer. Clear Al esc FI F4 FS 2 4 6