1. Durango Mountain Bike Tours ending cash balance as of December 31, 2020 was $10,000. Its expected cash collections and payments for the next six months are given in the following table. Month January February March April May June Collections $18,563 30,881 51,075 81,844 109,688 141,750 Payments $21,825 35,100 48,600 68,344 90,113 107,100

c. If the firm must pay 5% annual interest on its short-term borrowing, what are the ending cash balances for each month?