Hello, I have difficulty with the following exercise I dont understand, thank you for your help:

44.Which of the following statements is true?

Select one:

a.Diseconomies of scale is a short-run concept.

b.Diminishing marginal product is a short run concept.

c.Diminishing marginal product results when the firm doubles in size without doubling output.

d.Diseconomies of scale result when only one input increases and output fails to keep up.

e.All of the above.

47.The marginal product of labour can be defined as

Select one:

a.change in profit/change in labour.

b.change in labour/change in output.

c.change in output/change in labour.

d.change in labour/change in total cost.

48. Diseconomies of scale occur when

Select one:

a.long run average total costs fall as output increases.

b.average fixed costs are constant.

c.average fixed costs are falling.

d.long run average total costs rise as output increases.

53. Economies of scale occur when

Select one:

a.long-run average total costs fall as output increases.

b.long-run average total costs rise as output increases.

c.average fixed costs are constant.

d.average fixed costs are falling.

54.

Quantity (Units)	Total cost ($/unit)
0	100
1	110
2	125
3	150
4	220

Use the above data for Bob's Bootery to answer the following question:

The efficient scale of operation for Bob's Bootery is:

Select one:

a.0.

b.4,

c.2.

d.1.

e.3.

57.

Cost of supplies and other materials	$10 000
Rent	$20 000
Wages paid	$25 000
Interest on a $10 000 bank loan	$1000
Fred's salary offer from a competitor	$20 000

Use the above information for Fred's Fabulous Franks, a hot dog stand that has been a downtown institution for 50 years.

What is the total explicit cost of running Fred's Franks?

Hint: Total explicit cost = Accounting cost

Select one:

a.$46 000

b.$11 000

c.$56 000

d.$76 000

e.$36 000

63.

Cost of supplies and other materials	$10 000
Rent	$20 000
Wages paid	$25 000
Interest on a $10 000 bank loan	$1000
Fred's salary offer from a competitor	$20 000

Use the above information for Fred's Fabulous Franks, a hot dog stand that has been a downtown institution for 50 years.

What is the total economist costs of running Fred's Franks?

Select one:

a.$56 000

b.$75 000

c.$11 000

d.$76 000

e.$36 000

68.

Cost of supplies and other materials	$10 000
Rent	$20 000
Wages paid	$25 000
Interest on a $10 000 bank loan	$1000
Fred's salary offer from a competitor	$20 000

Use the above information for Fred's Fabulous Franks, a hot dog stand that has been a downtown institution for 50 years.

If Fred pays off his bank loan and invests $10 000 of his own money in his business, giving up the chance to earn $1000 in interest elsewhere, his:

Select one:

a.accounting and economic costs will both rise by $1000.

b.accounting cost will not change and economic cost will fall by $1000.

c.accounting and economic costs will remain both unchanged.

d.accounting cost will fall by $1000 and economic cost will not change.

e.accounting and economic costs will both fall by $1000.

70.

Cost of supplies and other materials	$10 000
Rent	$20 000
Wages paid	$25 000
Interest on a $10 000 bank loan	$1000
Fred's salary offer from a competitor	$20 000

Use the above information for Fred's Fabulous Franks, a hot dog stand that has been a downtown institution for 50 years.

If Fred has a new job offer of $100 000/year to sell out and go into sales, his:

Select one:

a.implicit cost of staying in business will rise.

b.implicit cost of staying in business will fall.

c.explicit cost of staying in business will rise.

d.explicit cost and implicit cost will be unchanged as long as he doesn't accept.

e.explicit cost of staying in business will fall.

71.

Quantity (000)	1	2	3	4	5	6
Long-term ATC	$100	$90	$100	$120	$150	$160

Use the data for a manufacturing firm to answer the following question.

This firm is experiencing:

Select one:

a.diseconomies of scale at output of two or less and economies at higher

b.diseconomies of scale at all level of outptut.

c.economies of scale at all levels of output.

d.economies of scale at output of two or less and diseconomies at higher quantities.

e.diminishing marginal product.