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 $3.00. What is the weighted - average contribution margin? (Round any intermediate calculations and your final answer to the nearest cent.) .. . O A. $1.75 per muffin O B. $1.90 per muffin O C. $3.50 per muffin O D. $4.25 per muffin O O