Can you help with following question.

Fred works 40 hours a week managing Fred's Convenience Store, without drawing a salary. He could earn $600 a week doing the same work for Bob. Fred's Convenience Store owes its bank $100,000, and Fred has invested $100,000 of his own money. If Fred's accounting profits are $1,000 per week while the interest on his bank debt is $200 per week and savings account interest and loan interest are equal, his economic profits areblank_______.

A $1000 per week

B$400 per week

C$200 per week

D$0 per week