Mark won the lottery; however, the lottery company gave her the following two options to receive her prize money: - Option (a): $10,000 in two months and $15,000 in ten months. - Option (b): $6,000 immediately and $21,000 in twelve months. Assume that money earns 4.25% p.a. simple interest and use today as the focal date. a. What was the equivalent value of the payments under option (a) at the focal date? Round to the nearest cent b. What was the equivalent value of the payments under option (b) at the focal date