Johnny invests in a fund by depositing $4200 on March 1st. The account earns interest at 6% per annum. Let the interest be calculated daily and paid at the end of each quarter, where the next quarter end is March 31st. What is the total interest earned by October 31st? (Hint: In each interest payment, the amount of interest is determined by the simple interest.) $190.00 $150.50 $182.30 $171.50 $168.70 A cash discount of 3% is given if a bill is paid exactly 35 days before it is due. Calculate the highest simple interest rate one could borrow money at to pay the bill and still take advantage of the discount. 11.67% 32.25% None of these options 36.08% 29.17% 21.52% Johnny invests in a fund by depositing $4200 on March 1st. The account earns interest at 6% per annum. Let the interest be calculated daily and paid at the end of each quarter, where the next quarter end is March 31st. What is the total interest earned by October 31st? (Hint: In each interest payment, the amount of interest is determined by the simple interest.) $190.00 $150.50 $182.30 $171.50 $168.70 A cash discount of 3% is given if a bill is paid exactly 35 days before it is due. Calculate the highest simple interest rate one could borrow money at to pay the bill and still take advantage of the discount. 11.67% 32.25% None of these options 36.08% 29.17% 21.52%