b. What is the total amount that would be spent to pay off the $1,500 if the monthly payment is $25? 2. a. If the credit card has an annual interest rate of 13.6% and a monthly payment of $45 is made, how many months will it take to pay off the credit card? b. What is the total amount that would be spent to pay off the $1,500 if the monthly payment is $45? 3. a. If the credit card has an annual interest rate of 22% and only the minimum monthly payment of $35 is made, how many months will it take to pay off the credit card? b. What is the total amount that would be spent to pay off the $1,500 if the monthly payment is $35? 4. a. If the credit card has an annual interest rate of 22% and a monthly payment of $60 is made, how many months will it take to pay off the credit card? b. What is the total amount that would be spent to pay off the $1,500 if the monthly payment is $60? 5. What are some reasons the interest rates on credit cards vary? 6. What are your opinions on having and using credit cards for your purchases