if total costs are $25,000 when 1,000 units are produced, and total costs are $25,100 when 1001 units are produced, we can conclude that:there are no...

if total costs are $25,000 when 1,000 units are produced, and total costs are $25,100 when 1001 units are produced, we can conclude that:

a.there are no fixed costs

b.average total costs are less than 25$

c.average variable costs are $100

d. marginal cost equals 100$