Tommy intends to invest an amount of R9 000,00. He has two options, namely investing it at 8,6% simple interest per year, for three and a half years; or investing it at 7,5% simple interest per year, for 47 months. Which option will yield the largest interest amount? Select one: a. Investing at 8,6% simple interest per year, for three and a half years. b. There is not enough information given to determine the highest interest amount. c. Investing at 7,5% simple interest per year, for 47 months. d. Any of the two options because both options yield the same interest amount