Halpert Corporation has been in operation for one year. The only product they produce is a specific bicycle chain. They want to make sure they are effectively utilizing the machinery they use to create this product. Below is the information concerning the machine that produces the bicycle chain: Actual run time this week Machine time available per week Actual run rate this week 2,500 Minutes 3,125 Minutes Units per 2.4 minute Units per 3.2 minute 5,100 Units 6,000 Units Ideal run rate Defect-free output this week Total output this week (including defects) Halpert's efficiency rate was: Multiple Choice O O 0.42 O O 0.75 O O 0.80 O 0.85