Sep. 1 Acquired $1,200,000 of American Instruments' 10% bonds at face value. Sep. 30 Received semiannual interest payment on the Distribution Transformers bonds. Oct. 2 Sold the Distribution Transformers bonds for $575,000. Nov. 1 Purchased $1,900,000 of M&D Corporation 6% bonds at face value. Dec. 31 Recorded any necessary adjusting entry(s) relating to the investments. The market prices of the investments are: American Instruments bonds $ 1,160,000 M&D Corporation bonds $ 1,970,000 Record the interest accrual for American Instruments bonds.