Shea, a regional jewelry store, issues its own charge cards to customers. It bills its customers on the first day of every month for purchases made during the previous month. In addition, Shea accepts Visa and MasterCard, both of which charge a 1.8 percent processing fee. The following sales were made during the period: Visa $5490 MasterCard 3401 Shea card 10980 Cash Sales 2695 Sales paid by check 6400 What is the net amount of cash received from the sales made during the period (assume 10% NSF checks)