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Step-by-step

The marginal utility is the addition to the total utility when an additional unit of output is consumed.x

Explanation:

The marginal utilities is calculated from the total utility by subtracting successive unit of total utility from previous unit total utility.

The table gives the calculation of missing values of marginal utilities and total utilities.

Explanation:

The formula for calculating Marginal utility is, MUN= TUN 1 – TUN.

No. of Cheeseburgers

Total Utility from cheeseburgers

Marginal utility of cheeseburgers

Bags of French fries

Total Utility from French fries

Marginal utility of French fries

1

80

80

1

50

50

2

140

140-80=60

2

50 28= 78

28

3

140 40 = 180

40

3

92

14

4

200

20

4

92 7= 99

7

5

210

210-200= 10

5

102

102-99= 3

The values of total utilities and marginal utilities are calculated in the table.

No. of Cheeseburgers

Total Utility from cheeseburgers

Marginal utility of cheeseburgers

Bags of French fries

Total Utility from French fries

Marginal utility of French fries

1

80

80

1

50

50

2

140

60

2

78

28

3

180

40

3

92

14

4

200

20

4

99

7

5

210

10

5

102

3