Cindy Operates Birds-R-Us, a Small Store Manufacturing and Selling 100

Multiple Choice

Cindy operates Birds-R-Us, a small store manufacturing and selling 100 bird feeders per month.Cindy's monthly total fixed costs are $500, and her monthly total variable costs are $2,500.If for some reason Cindy's fixed cost fell to $400, then her:

A) average fixed costs would increase.
B) average total costs would decrease.
C) marginal costs would decrease.
D) average variable costs would decrease.