4113 data analytics project two years ago, panther suppliers upgraded its general ledger system. the controller of panther has some concerns with respect to restrictions on various accounts and has hired you as a consultant to evaluate the effectiveness of the system. you have been provided with a very large data dump to a flat text file (testdata. txt), which includes the combination of various queries run by the controller. the data has four columns: (1) account, (2) ledger id, (3) dollar value, and (4) currency.

What is the opportunity cost in this scenario? harry has been very busy at work for the past two weeks. he has been working weekends too. finally, he is going to get a weekend off. originally, he planned to paint his apartment that weekend. he also considered going fishing for the weekend. but then his parents called and asked him to come for dinner because it has been a while since they have seen each other. later on, his friend theo informed him about a surprise birthday party for another friend. theo plans to reserve a room at a restaurant for the celebration, with the cost to reserve the room split between theo, harry, and three other friends. now harry is confused about what he should do over the weekend. he decides that, for him, the most important commitments are going over to his parent's house and attending his friend's birthday party. in the end, harry decides to see his parents.

If you were running a company, what are at least two things you could do to improve its productivity.

When the national economy goes from bad to better, market research shows changes in the sales at various types of restaurants. projected 2011 sales at quick-service restaurants are $164.8 billion, which was 3% better than in 2010. projected 2011 sales at full-service restaurants are $184.2 billion, which was 1.2% better than in 2010. how will the dollar growth in quick-service restaurants sales compared to the dollar growth for full-service places?