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Graphics Interchange Format  |  1997-01-15  |  107.1 KB  |  803x520  |  4-bit (16 colors)
   ocr: Figure 6. "Sale Calculates Its Total" Scenario View (Round III) Sale SaleLineltem Item Store TaxCategory Scenario: Sale Calculates its Totai Scenario Constraint: calcTotal calcSubtotal howMuchForaty getTaxCat getTaxCat 0.1 seconds, 9 out of 10 times, caicSubtotal howMuchlnTaxCat getPriceForDate 0.5 seconds max. calcTax nowMuchinTaxCat tootar saie.calciotal (:t totai) uestoral sale.calcSubtotal( (:s subtotal) n-> calesuatotal sale.Linelem.calesubtotal (date; subtotal) NoNMue0n item.howMuchForaty (gty, date; 4 amt) etxnceraDate item.getPriceforDate (date: : price) cactetee x Casax sale.calcTax ( ...