Topper Sports, Incorporated, produces high$-$quality sports equipment. The company's Racket Division manufactures three tennis rackets$-$Standard, Deluxe, and Pro$-$widely used in amateur play. Selected information on the rackets is given below:

$\backslash$table$[[$Selling price per racket,Standard,Deluxe,Pro$],[$Variable expenses per racket:,$$60\mathrm{.}00,$$$90\mathrm{.}00,$$$100\mathrm{.}00$