Ricardo likes to rent DVDs and attend concerts. The DVDs cost $4 and the concerts cost $40. Ricardo's marginal utility from the last DVD is 20 units. Ricardo is maximizing his utility. What is his marginal utility from the last concert he attended?
DVD cost: $ 4 per unit
Converts cost: $40
Marginal utility of last unit of DVD: 20 units
Marginal utility per $ from last unit of DVD (20/4) = 5
As the consumer is maximizing his utility, therefore, marginal utility per $ received from last unit of convert is same as that of marginal utility per $ of DVD.
Marginal utility per $ from last unit of convert: 5
Cost per unit of convert: $40
Therefore, Marginal utility derived from lasst unit of convert is (5*$40)= 200
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