Kinnion Medical had a cash balance of $8,000 on January 1. The company desires to maintain a cash cushion of $6,000. Funds are assumed to be borrowed, in increments of $1,000, and repaid on the last day of each month; the interest rate is 1 percent per month. Kinnion pays its vendor on the last day of the month also. The company had a monthly $40,000 beginning balance in its line of credit liability account from this year