please help me solve A-D!

Durango Mountain Bike Tours' ending cash balance as of December 31,2022 was $10,000. Its expected cash collections and payments for the next six months are given in the following table. a) Calculate the firm's expected ending cash balance for each month (Analysis 4 pts). b) Assuming that the firm must maintain an ending cash balance of at least $12,000, how much must they borrow during each month? (Analysis \& Identify and Access Needed Information 8pts ) c) If the firm must pay 5% annual interest on its short-term borrowing, what are the ending cash balances for each month? (Identify and Access Needed Information 4 pts) d) What are the ending cash balances if the firm uses any cash in excess of the minimum to pay off its short-term borrowing for each month? (Use Information Effectively to Accomplish a Specific Purpose 4pts )