Use the 30 day method where all months are considered to have 30 days. A buyer received a shipment of chairs worth the billed cost of $3,230 on May 18. The invoice was dated April 27 with the terms of 4/10 ROG, FOB store. Transportation charges of $169 were prepaid by the vendor. If the bill was paid on May 23rd, how much should be remitted to the vendor? $3,215.80 $3,100.80 $3,269.80 $3,230.00