Using the data from E-S-12, calculate the amount of discount amortization (using the straight-line amortization method) on July 1, 2018, and record the related journal entry. What is the total interest revenue for the first six months of 2018?

Data from E-S-12

Brackett Insurance purchased $60,000 of 10% AMS bonds on January 1, 2018, at a price of 85 when the market rate of interest was 12%. Brackett intends to hold the bonds until their maturity date of January 1, 2038. The bonds pay interest semiannually on each January 1 and July 1. Record the initial purchase of the bonds by Brackett on January 1, 2018, and the receipt of the interest on the first interest payment date of July 1, 2018.