Referring to Problem 67, what is the markup matrix resulting from a 20% increase in dealer invoice prices and an increase in retail prices of 15%? (Compute results to the nearest dollar.)
Problem 67
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 Basic Car Air radio control AM/FM Cruise Model A$35,075 $2,560 $1,070 $640 Model B$39,045 $1,840 $770 $460M Model C $45,535 $3.400 $1,415 $850 Dealer invoice price Basic AM/FM Cruise car r radio control Model A $30,996 $2,050 $850 $510 Model B | $34,857 $1,585 $660 $3951#N Model C $41,667 $2,890 $1,200 $725