Becky's Bakery sells three large muffins for every two small ones. A small muffin sells for $3.50 with a variable cost of $2.25. A large muffin sells for $5.50 with a variable cost of $3.00. What is the weighted -average contribution margin? (Round any intermediate calculations and your final answer to the nearest cent.) OA. $1.88 per muffin OB. $4.50 per mufin O C. $3.75 per muffin O D. $2.00 per muffin