The Table Shows the Marginal Utility Schedules for Old Product

Multiple Choice

The table shows the marginal utility schedules for old product X and new product Y for a hypothetical consumer. The price of X is $2, and the price of good Y is $1. The budget of the consumer is $10. When the consumer purchases the utility-maximizing combination of old product X and new product Y, total utility will be

A) 62.
B) 78.
C) 70.
D) 82.