Question ID:PT62 S2 Q13 Passage:Buying elaborate screensavers‚ programs that put moving images on a computer monitor to prevent damage‚ can cost a company far more in employee time than it saves in electricity and monitor protection. Employees cannot resist spending time playing with screensavers that flash interesting graphics across their screens.  Stem:Which one of the following most closely conforms to the principle illustrated above? Correct Answer Choice:DChoice A:A school that chooses textbooks based on student preference may not get the most economical package. Choice B:An energy-efficient insulation system may cost more up front but will ultimately save money over the life of the house. Choice C:The time that it takes to have a pizza delivered may be longer than it takes to cook a complete dinner. Choice D:A complicated hotel security system may cost more in customer goodwill than it saves in losses by theft. Choice E:An electronic keyboard may be cheaper to buy than a piano but more expensive to repair.