for number 3 change the 6 months to 3 months

3. Cedric purchased a new refrigerator and stove at Home Depot for $3,729 on a deferred payment plan with no down payment and no payment at all for six months. If the entire $3,729 is paid in full before three months is up, there is no interest. If it is not paid in full within the six months, there is a finance charge with an APR of 25.4% applied each month going back to the first month. If Cedric makes the full payment a week after the six months expired, what is the finance charge? 4. Shania bought a $1,972 drum set on the installment plan. The installment agreement included a 20% down payment and 36 monthly payments of $52.04 each. What is the finance charge