Camden Biotechnology began operations in September 2018. The following selected transactions relate to liabilities of the company for September 2018 through March 2019. Camden's fiscal year ends on December 31. Its financial statements are issued in April. 2018

a. On September 5, opened checking accounts at Second Commercial Bank and negotiated a short-term line of credit of up to $15,000,000 at the bank's prime rate (10.5% at the time). The company will pay no commitment fees.

b. On October 1, borrowed $12 million cash from Second Commercial Bank under the line of credit and issued a five-month promissory note. Interest at the prime rate of 10% was payable at maturity. Management planned to issue 10-year bonds in February to repay the note.

c. Received $2,600 of refundable deposits in December for reusable containers used to transport and store chemical-based products.

d. For the September-December period, sales on account totaled $4,100,000. The state sales tax rate is 3% and the local sales tax rate is 3%. (This is a summary journal entry for the many individual sales transactions for the period.)

e. Recorded the adjusting entry for accrued interest.