At what output is Len’s average total cost at a minimum? At what output is Len’s average variable cost at a minimum? Explain why the output at which average variable cost is at a minimum is smaller...

At what output is Len’s average total cost at a minimum? At what output is

Len’s average variable cost at a minimum?

Explain why the output at which average variable cost is at a minimum is

smaller than the output at which average total cost is at a minimum.