Archoid's Flowering Plants provides the following information for the month of May: Sales in units Contribution margin per unit Actual Budget Tulips Geraniums Tulips Geraniums 4,800 $13 4,100 $19 4,950 3,300 $10 $22 For May, the company will report a(n) (Round any intermediary calculations two decimal places.) A. unfavorable market - share variance B. favorable sales - mix variance C. unfavorable sales-mix variance D. favorable market-share variance