Can anybody please help me with question 14 please. I would really appreciate it so much.

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?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?