Presented below are selected transactions of Splish Company. Splish sells in large quantities to other companies and also sells its product in a small retail outlet. March 1 Sold merchandise on account to Dodson Company for $7,600, terms 4/10,n/30. 3 Dodson Company returned merchandise worth $1,000 to Splish. 9 Splish collected the amount due from Dodson Company from the March 1 sale. 15 Splish sold merchandise for $250 in its retail outlet. The customer used his Splish credit card. 31 Splish added 1.60% monthly interest to the customer's credit card balance. Assess a full month of interest