Becky's Bakery sells three large muffins for every two small ones. A small muffin sells for $3.00 with a variable cost of $2.00. A large muffin sells for $5.50 with a variable cost of $2.50. What is the weighted average contribution margin? (Round any intermediate calculations and your final answer to the nearest cent.) A. $2.20 per muffin B. $2.00 per muffin OC. $4.25 per muffin OD. $4.00 per muffin