Active is an energy drink that claims to provide physical strength. to test this claim, the producers

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Having a hard time understanding this question (see attachment).

The following numbers will result in a quotient that is less than 1 when it is divided by ? a.2% e. 1 and 2/3 b. x2 f. 1/5 c. 3/10 g. 7/15 d. 5/9