A business sells three varieties of SauTinas on a bun. their budgeted fixed expenses for the upcoming month are $18,000. The following is additional budgeted information for the upcoming month: UNIT UNIT UNIT UNIT SELLING VARIABLE CONTRIBUTION VARIETY SALES PRICE COST MARGIN ITALIAN 1,500 $5.00 $2.20 BRITISH BANGER 4,500 $5.00 $3.00 GERMAN 4,000 $4.00 $1.75 What is the budgeted average contribution margin per unit? a $4.20 b. $2.30 c. $3 d. $2.22