Matthew quit his job at State University where he earned $45,000 a year. To start a board game company, he cashed in his savings account that was earning $5,000 in interest annually. In the first year, the firm sold 10,000 units of his new board game at a price of $30 for each unit. The board game costs $10 each for production, packaging, marketing, employee wages and benefits, and rent on the production facility. The economic profits of Matthew's firm in the first year were:

The following transactions occurred during july: received $1,000 cash for services provided to a customer during july. received $4,000 cash investment from bob johnson, the owner of the business received $850 from a customer in partial payment of his account receivable which arose from sales in june. provided services to a customer on credit, $475. borrowed $7,000 from the bank by signing a promissory note. received $1,350 cash from a customer for services to be rendered next year. what was the amount of revenue for july?