Janes e-commerce site sells a wide variety of bicycle equipment. She wants to estimate her profit-per-conversion for each ad group to get a sense of which ad groups are immediately profitable in the short term. Which formula best estimates Janes profit-per-conversion before advertising expenses?

Janes e-commerce site sells a wide variety of bicycle equipment. She wants to estimate her profit-per-conversion for each ad group to get a sense of which ad groups are immediately profitable in the short term. Which formula best estimates Janes profit-per-conversion before advertising expenses?

  A)  (Avg Revenue per Order) * (Profit Margin)
  B)  (Total Profit)/(Total Revenue)
  C)  (Avg Profit per Order) * (Conversion Rate)
  D)  (Avg CPC) * (Conversion Rate)