19.1 Dennie's is a small chips shop located near the local university's soccer field. Dennie's serves walk-in customers only. The shop carries 15 different menu options. When a customer pays for an individual purchase, a sales transaction usually includes just one item. When a customer pays for a family or group purchase, however, a single sales transaction includes many different items. All sales must be paid for at the time the customer is served. Dennie's maintains several banking accounts, but deposits all sales receipts into the shop's main checking account. REQUIRED Draw an REA diagram, complete with cardinalities, for Dennie's revenue cycle. 19.2 Dennic, the owner of the chips shop, purchases frozen foods from two vendors. Over the years, he has developed good relationships with booh vendors so that they allow him to pay them biweekly for all purchases made during the preceding two-week period. Dennie calls in orders on Mondays and Thursdays. The orders are delivered the next day. Dennie buys soda from one of the several local stores and pays for each purchase at the time of sale with a check from the company's main checking account. REQUIRED Draw an REA diagram, complete with cardinalities, for Dennic's expenditure cycle. 19.3 Xola has a curios shop where he sells traditional handmade crockery and utensils to custotners. All customers, walk-in as well as corporate. pay for their purchases in full at the time of the sale. Xola keeps track of all his customers and, at this stage, does not track potential customers. He has a single bank account for his business and all business-felated transactions. REQUIRED Draw an REA diagram for the revenue cycle of Xola's business. Include all entities and cardinalities. 19.4 Xola only purchases finished prodocts from suppliers and pays his vendors in full when he purchases his items. He keeps track of possible suppliers, in case he cannot obtain products from his twetal suppliers. All payments for purchases made are paid from Xola's business bank account. REQUIRED Draw an REA diagram for the revenue cycle of Xola's business. Include all entities and cardinalities. 19.5 Xola's curios shop has expanded to the point where he now needs to bay additional equipment and fixed assets. Xola is a cautious businessman and. at this stage. be orders single pieces of office equipment or fixed assets at a time and pays for each order in full at the time of purchase. The arrangement between Xola and his suppliers is that each individual order will be shipped separately. REQUIRED Draw an REA diagram for the ordering process described. Include all entities and candinalities