Suppose the charge account ofStreng's Mailing Service at the local supply store had a 1.3% interest rate per month on the average daily balance. Find the average daily balance if Strong's had an unpaid balance on March 1 of $105.30. a payment of 840 posted on March 11, and a purchase of$39.TU posted on March 21. The billing cycle ends March 31. The average daily balance is $ . (Type an integer or decimal rounded to the nearest hundredth as needed.)