The following production and cost data is available for Buff Corp, which produces bicycles and unicycles. Sales price per unit Variable cost per unit Bicycles $200 $140 Machine-hours needed per 3 hours unit Monthly Demand 800 Unicycles $180 $105 5 hours 2000 The company only has 3,000 machine hours available each period. What is the largest possible total contribution margin that can be realized each period? $45,000 $57,000 $51,000 $1,125,000 $60,000