​Gibson's Bodywork does automotive collision work. An insurance agency has determined that the standard time to replace a fender is 0.25 hours​ (i. e., "standard ​output"equals 4 fenders per​ hour) and is willing to pay Gibson ​$40 per hour for labor​ (parts and supplies are billed​ separately). Gibson pays its workers ​$25 per hour. Suppose​ Gibson's workers take 5 hours to replace a fender. a. ​Gibson's labor hour efficiency is nothing​%. ​(Enter your response rounded to two decimal​ places.) Given​ Gibson's labor​ costs, the company ▼ will will not make money on the job. b. ​Gibson's labor hour efficiency has to be nothing​% for Gibson to break even on the job. ​(Enter your response rounded to two decimal​ places.)