Hot tub depot has a new promotional payment plan. all purchases can be made on the installment plan with no interest as long as the total is paid in full within 12 months there is a $25 minimum monthly payment required.

a) if the haugh family buys a hot tub for $4,355 and make only the minimum payment for 11 months how much will they need to pay in the 12th month?

b) what should they pay every month?

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