Hi, I need help about how to calculate loan payments. Can someone show the process of calculating these types of questions?

Suppose I borrowxdollars forymonths. Themonthlyinterest rate isz%. I don't start paying until the end of theymonths.

1. How do I calculate the total amount I owe at the end of theymonths?

2. If I start paying the loan over the nextcyears, how do I calculate the monthly payment?

Thank you!