two questions, just separated to make it easier and filter out previous answers

Mack's guitar fabrication shop produces low cost, highly durable guitars for beginners. Typically, out of the 100 guitars that begin production each month, only 82 percent are considered good enough to sell. The other 18 percent are scrapped due to quality problems that are identified after they have completed the production process. Each guitar sells for $260. Because some of the production process is automated, each guitar only requires 10 labor hours. Each employee works an average of 160 hours per month. Labor is paid at $11 per hour, materials cost is $40 per guitar, and overhead is $4,000 (Enter your response rounded to two decimal The multifactor productivity ratio for Mack's guitar fabrication shop is places.) At Symtecks, the output of a process is valued at $100 per unit. The cost of labor is $50 per hour including benefits The accounting department provided the following information about the process for the past four weeks: The multifactor productivity ratio for week 2 is (Enter your response rounded to two decimal places.)