The Regal Cycle Company manufactures three types of bicycles$-$a dirt bike, a mountain bike, and a racing bike. Data on sales and expenses for the past quarter follow:

$\backslash$table$[[\backslash$table$[[$Sales$],[$Variable manufacturing and selling expenses$],[$Contribution margin$],[$Fixed expenses:$]],\backslash$table$[[$Total$],[$$$933,000$