Jenny wants to buy private health insurance. She can choose to pay a monthly premium of $150 starting from today or she can choose to pay an annual premium of $X today. Assume that the two payment methods are equivalent at the interest rate of 4.2% p.a. compounded monthly. Which of the following equations can be used to find X? a. X 150 (1 - 1.0035-12) 0.0035 b. 150 X = (1.003512 - 1) 0.0035 150 X (1.003512 1)(1.0035) 0.0035 d. None of the equations can be used to find X. e. 150 X = 0.042 (1 1.042-12)(1.042) f. 150 (1 1.0035-12)(1.0035) 0.0035