K-Too Everwear Corporation manufactures two styles of mountain climbing shoes for women: Regular and fashion styles.A pair of regular style shoes sells for $135, while the fashion style shoes sell for $160 per pair.The variable cost per pair for regular shoes is $38.94, and that for fashion style shoes is $41.5.K-Too Everwear has fixed costs of $1,800,000.K-Too Everwear has the sales mix of 70% and 30% for regular- and fashion-style shoes, respectively.What is K-Too Everwears weighted average contribution margin ratio?Please round your calculations to 4 decimal places and choose the closest answer.

A.69.58%

B.71.16%

C.72.03%

D.74.06%