48. Concord Corporation has two divisions; Sporting Goods and Sports Gear. The sales mix is 75% for Sporting Goods and 25% for Sports Gear. Concord incurs $6830000 in fixed costs. The contribution margin ratio for Sporting Goods is 30%, while for Sports Gear it is 50%. The weighted-average contribution margin ratio is

a) 35%.

b) 40%.

c) 45%.

d) 70%.