A bank offers 9% p.a. simple interest on an investment. At the end of 4 years th May 24, 2022 by admin โช Choose the correct option.A bank offers 9% p.a. simple interest on an investment. At the end of 4 years the interest earned was $215. How much was invested?A. 597.22B. 345C. 456D. 378 Submit Answer