On his road trip, Leon stops to refuel and get some snacks. He has the following purchases:12 gallons of gas at $2.89 per gallon2 granola bars for $1.59 each1 apple for $0.892 bottles of vitamin water for $1.39 eachLeon must pay 7.5% sales tax on everything but the gas, which already has tax included in the per gallon price. If Leon paid $44.64, then he for his purchase. a.did not pay enoughb. paid the correct amountc. paid $2.60 too muchd. paid $3.11 too much

When used-car dealers signal the quality of a used car with a warranty, a. buyers believe the signal because the cost of a false signal is high b. it is not rational to believe the signal because some used-car dealers are crooked c. the demand for lemons is eliminated d. the price of a lemon rises above the price of a good used car because warranty costs on lemons are greater than warranty costs on good used cars

Atelephone call center uses three customer service representatives (csrs) during the 8: 30 a.m. to 9: 00 a.m. time period. the standard service rate is 3.0 minutes per telephone call per csr. assuming a target labor utilization rate of 80 percent, how many calls can these three csrs handle during this half-hour period?

Skathy lee berggren, a professor of oral communication at cornell university, indicates “a lot of my students re­ally [only] scratch the surface with the type of research they’re doing.” according to andy guess, at inside higher ed, “just because students walk in the door as ‘digital natives’, doesn’t mean they’re equipped to handle the heavy lifting of digital databases and proprietary search engines that comprise the bulk of modern, online re­search techniques.” students erroneously think a google search is research. as you read through the reasons that should stimulate your interest in studying research methods or evaluate the nine factors that guarantee good research, what actions do you propose to narrow the gap between students’ research competence and what’s required of a modern college graduate about to become a manage