Deaton Brothers Industries established a line of credit with a local bank. The maximum amount that can be borrowed under the terms of the agreement is $1,000,000 at an annual rate of 8.50 percent. A compensating balance averaging 20 percent of the amount borrowed is required. Prior to the agreement, Deaton Brothers had no deposit with the bank. Shortly after signing the agreement, Deaton Brothers needed $300,000 to pay off a note that was due. Deaton Brothers decides to borrow an amount sufficient to pay the $300,000 note and also to cover the compensating balance. How much must Deaton Brothers Industries borrow