An import car dealer sells three models of a car. The retail prices and the current dealer invoice prices (costs) for the basic models and options indicated are given in the following two matrices (where “Air” means air-conditioning):

We define the markup matrix to be M - N (markup is the difference between the retail price and the dealer invoice price). Suppose that the value of the dollar has had a sharp decline and the dealer invoice price is to have an across the-board 15% increase next year. To stay competitive with domestic cars, the dealer increases the retail prices 10%. Calculate a markup matrix for next year’s models and the options indicated. (Compute results to the nearest dollar.)

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Retail price AM/FM Cruise radio Basic Car Air control $640 $460 = M Model A $35,075 $2,560 $1,070 Model B $39,045 $1,840 $770 Model C $45,535 $3,400 $1,415 $850 Dealer invoice price Basic AM/FM Cruise Car Air radio control $850 $510 $660 $395 = N Model C $41,667 $2,890 $1,200 $725 Model A S30,996 $2,050 Model B $34,857 $1,585