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?

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?

(Table) Based on the table, if the marginal benefit increased by $300,000 at each level, the new optimal quantity would be  

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