help-microeconomics?

Question

Output/day workers/day total cost
0 0 10
5 1 20
15 2 30
18 3 40
20 4 50

what is the fixed cost at 15 units of output

what are the variable cost at 15 units of output

are the answers 10 dollars

Answer 1

when output is 0 the total cost is $ 10
this shows that the fixed cost is $ 10
so at an output of 15
total cost - fixed cost = variable cost
30 -10 = 20
variable cost is $ 20

Answer 2

Fixed cost is fixed. Since costs at no output are $10, fixed cost is always $10.

The extra $20 cost at [units=15] can be split between the two workers. $10/worker/day. I don't think that's how variable costs are described, however. Apply the problem to any other positive level of output and you'll still have $10/worker/day. Doesn't sound very... variable... to me. Variable costs do just that. They vary depending on output.

Variable costs are divided to the units, rather than described as cost of workers. Therefore, the remaining $20 is divided by 15 units and described as $1.33/unit.

So yes and no.

Answer 3

FC is the TC when output = 0
and that is 10

VC is TC - FC
so at output = 15
TC = 30
FC = 10 remember FC never change (hence FIXED costs)
so 30 - 10 = 20 =VC