Becky's Bakery Sells Three Large Muffins for Every Two Small

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 $5.00 with a variable cost of $2.50. What is the weighted-average contribution margin? (Round your intermediate calculations to one decimal place)

A) $1.93 per muffin
B) $1.75 per muffin
C) $1.25 per muffin
D) $1.90 per muffin