. eric enjoys having sushi and sashimi for lunch every day. suppose the marginal utility of the last roll of sushi eric eats is 40. the marginal utility of the last piece of sashimi eric eats is 20. the price of a roll of sushi is $8, and the price per piece of sashimi is $2. did eric maximize his utility? no, the marginal utility of each good must be equal. no, the marginal utility per dollar spent on each good must be equal. yes, because the marginal utility per dollar spent is less than 100. yes, because the price of each good is reasonable