Use the Following to Answer Question

Multiple Choice

Use the following to answer question:
-(Table: Cakes) Use Table: Cakes.Pat is opening a bakery to make and sell special birthday cakes.She is trying to decide how many mixers to purchase.Her estimated fixed and average variable costs if she purchases 1,2,or 3 mixers are shown in the table.Assume that average variable costs do not vary with the quantity of output.If Pat purchases 3 mixers,her average total cost _____ in the range of output between 100 and 400 cakes.

A) increases
B) decreases
C) remains the same
D) can't be calculated