What is the future value of a loan and how is it determined?

Choose the correct answer below.

A$.$ When a loan is repaid, the interest is added to the original principal to find the total amount due, or future value. It is calculated as $A=P+I=P+Prt=P(1+rt).$

B$.$ When a loan is repaid, original principal is the total amount due, or future value. It is calculated as $A=P+I=P+Prt=P(1+rt).$

C$.$ When a loan is repaid, the interest is added to the original principal to find the total amount due, or future value. It is calculated as $A=P.$

D$.$ When a loan is repaid, original principal is the total amount due, or future value. It is calculated as $A=P.$