George brought a shirt and a pair of pants at a clothing store. The pants cost $5.30 more than the shirt, and he used a $15 off coupon to purchase the shirt. The equation below is used to determine the cost of the shirt before coupon, s.

s- $15 = $15.92

How much did the pants cost ?

A. $30.92

B. $21.22

C. $36.22

D. $25.63