# = 9

"#" symbol will be assumed to be last digit of the student number. The output of a process is valued at $100 per unit. The cost of labor is $50 per hour including benefits. The Accounting department provided the following information about the process for the past four weeks: Week 1 Week 2 Week 3 Units Produced 1125+50*# 1310+50*# 1095+50*# 12750+100 14850+100 10600+100 Labor ($) *# *# *# 21041+100 24523+100 20442+100 Material ($) *# 10500+100 Overhead ($) 9000+100*# *# 8800+100*# Week 4 985+50*# 9550+100*# 18364+100 *# *# *# 7900+100*# a. Use the multifactor productivity ratio to see whether recent process improvements had any effect and, if so, when the effect was noticeable. b. Has labor productivity changed? Use the labor productivity ratio to support your