Bill is an economics professor who earns $37,000 teaching but decides to leave and fulfill his dream of catering barbecues. During his year of barbecuing he earned total revenue of $60,000. He spent $30,000 on food and supplies. He also paid his wife $10,000 to help serve food. The normal profit for an entrepreneur running a barbecue business is $3,000. Bill also rented an industrial grill/fry truck for $12,000. Bill had an economic