read the case study and answer questions 1 and 2

CASE STUDY "Do you want me to pay this month's bill from Charlie's Tap Service for his weekly cleaning of our beer lines?" asked Flory, the bookkeeper at the Blackwood Pub. Flory was talking to Jack, the beverage manager at the Blackwood. Isn't it for the same amount as last month? asked Jack. Four trips, at $200 for each cleaning trip. That's what he always charges." "Yes, it is, replied Flory. "The bill is for $800." "Well, what's the problem?" asked Jack. "Well, maybe nothing... but you know how Charlie always lists the dates he cleaned our lines? And then puts those dates on the invoice? said Flory. "Right, he always does that. He has for years. So what?" replied Jack. "Well, for last month he listed himself as being here on the 15th," Flory said. "But that was the day we were closed when the power was out all over the city because of that big storm we had." "So he couldn't have cleaned the lines that day," said Jack, slowly. "Not unless he had a key and worked in the dark," joked Flory. 1. What could be some reasonable explanations for the apparent mixup in this invoice for beer line cleaning services? 2. Based on the information in the case, do you think this business is prepared to address any intentional efforts on the part of vendors to defraud the operation? Why or why not