An operator of a ski resort is considering offering price reductions on weekday ski passes. At the normal price of h50 per day, 300 customers are expected to buy passes each weekday. At a discounted...

An operator of a ski resort is considering offering price reductions on weekday ski passes. At the normal price of h50 per day, 300 customers are expected to buy passes each weekday. At a discounted price of h40 per day, 450 customers are expected to buy passes each weekday. The marginal revenue per customer earned from offering the discounted price is closest to:

A. h20.

B. h40.

C. h50.