Mack's guitar fabrication shop produces low$$ cost$,$ highly durable guitars for beginners.$$ Typically, out of the $100$ guitars that begin production each$$ month, only $80$ percent are considered good enough to sell. The other $20$ percent are scrapped due to quality problems that are identified after they have completed the production process. Each guitar sells for $$$ $250.$ Because some of the production process is$$ automated, each guitar only requires $12$ labor hours. Each employee works an average of $160$ hours per month. Labor is paid at $$$$11$ per$$ hour, materials cost is $$$$40$ per$$ guitar, and overhead is $$$$4,200.-$ find the multi factor productivity ratioMack's guitar fabrication shop produces low cost, highly durable guitars for beginners. Typically, out of the $100$ guitars

that begin production each month, only $80$ percent are considered good enough to sell. The other $20$ percent are

scrapped due to quality problems that are identified after they have completed the production process. Each guitar sells

for $$250.$ Because some of the production process is automated, each guitar only requires $12$ 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 $$4,200.$

a$.$ The labor productivity ratio for Mack's guitar fabrication shop is $$16\mathrm{.}67$ per hour. $($Enter your response rounded to

two decimal places.$)$

The multifactor productivity ratio for Mack's guitar fabrication shop is $.($Enter your response rounded to two

decimal places.$)$