During its most recent fiscal year, Dover, Inc. had total sales of $3,340,000. Contribution margin amounted to $1,570,000 and pretax income was $505,000. What amount should have been reported as variable costs in the company's contribution margin income statement for the year in question?a) $2,075,000.b) $2,835,000.c) $1,265,000.d) $1,065,000.e) $1,770,000.