(Chapter 14) Capity Tea Products has an exclusive contract with British Distributors. Calamine and Capity are two brands of teas that are imported and sold to retail outlets. The following information is provided for the month of March: Actual Sales in pounds Price per pound Variable cost per pound Contribution margin Budgeted Calamine 3,740 lbs. $2.80 $1.00 Capity 3,980 lbs. $2.80 $2.00 $0.80 $1.80 Sales in pounds Price per pound Variable cost per pound Contribution margin Calamine 5,000 lbs. $2.00 $1.00 $1.00 Capity 3,700 lbs. $3.00 $1.50 $1.50 Compute the total flexible-budget variance in terms of contribution margin ($) (Use a negative sign if unfavorable)