THe details of weekly output and input for a fabrication process are as follows: output is 600 units, with standard selling price of $50 per unit. For the week, total laborcosts ar 8 workers at 40 hours for the week, are paind $20 per hour. Totak material costfor 400 units are $8,000. Weekly overhead is charged at the rate of 1.3 times thelabor cost. What is the multifactor productivity for the week