1- on may 15, 2007, matrix inc sold building materials

1-On May 15, 2007, Matrix, Inc sold building materials for $12, 500 that are 9% sales tax. 2-On May 16, 2007, Matrix, Inc received $8,000 in advance for service to July 12, 2007. 3-On May 30, 2007, Matrix, Inc. asked Carter, Co. to accept a 60-day, replace its existing $12,000 account payable to Carter. 4-On May 30, 2007, Matrix, Inc Issued a $160,000, 4-year, 12% note Forest Hills Bank and received $160,000 cash. The note requires annual each December 31. 5-On July 30, 2007, Matrix, Inc. pays the note plus interest to Carter. 6-On August 1. Matrix, Inc issues bonds, that pay interest semiannually on February 27 and August 31. The bonds have a $135,000 par value, the annual contract rate is 12%, and the bonds mature in 15 years. Market rate at the date of issuance is 12%. 7-On August 1, 2007, Matrix, Inc. asked Carter, Co. to accept a 90-day, 15% note place its existing account payable to Carter. 8-On October 30, 2007, Matrix, Inc. pays the note plus interest to Carter. 9-On October 31, 2007, Matrix Inc borrows $85,000 from American Bank. The bears interest at 9% per year. Principal and interest are due in 60 days (November 30.)