Camerin wants a new big screen tv and home theater surround sound system, which he thinks will cost $4,660. the store will finance up to $4160 for 2 years at a 19.50 percent interest rate. assuming camerin accepts the store's financing, what will his monthly payment be? if he increases his down payment to $1,000, how much will his monthly payment be? . assuming camerin accepts the store's financing, his monthly payment will be $210.71. (round to the nearest cent.) assuming camerin accepts the store's financing and he increases his down payment to $1,000, his monthly payment on his $4,660 will be $ nothing. (round to the nearest cent.)