Carlos Chavez is a sole trader who has recently opened a small, specialist food shop. His main competitors are large supermarket chains. Carlos prides himself on the quality of his products and the personal service he offers. For each month in 2019: the shop's sales averaged $80,000 the cost of goods sold was 75% of sales revenue the indirect costs (all other expenses) were constant at $20,000 What is the net profit? $60,000 $20,000 $0