【单选题】Dave recently began running his father’s farm. Last year he took in $15,000 in sales revenue and paid $10,200 in out-of-pocket costs. He made an economic profit last year:
【单选题】Dave recently began running his father’s farm. Last year he took in $15,000 in sales revenue and paid $10,200 in out-of-pocket costs. He made an economic loss last year: