Steamroller Company sells two products-J and B. Steamroller predicts that it will sell 7,600 units of J and 6,500 units of B in the next period. The unit contribution margins are $2.95 and $6.60 for products J and B, respectively. What is the weighted - average unit contribution margin? (Round your answer to the nearest cent.) O A. $1.59 B. $4.78 O C. $4.63 O D. $3.04