TUBUTle that a project manager expects to finish a project in 21 days as shown in the tab below. However, the owner of the project wants itin 14 days and any period after 14 days project manager has to pay penalty cost of $100 per day. Indirect project costs = $250 per 60 Activity Immediate predecessor(s) Project Activity and Cost Data Normal Time Normal Cost Crash Time Crash Cost (days) (days) (S) 1000 1200 800 2000 600 900 1500 2000 AB N No C D 1900 1300 900 1200 1400 900 900 500 a. Determine the critical path for this project. b. Show the first stage of crashing (which activity) and the cost before and after crash. Q2. Calculate the contribution margin per unit of each project A, B, C, D Price Raw materials $75 $10 $72 $5 $38 $10 Q3. If a machine has the following Design capacity 2000 unit per day Effective production 1750 unit per day Actual production 1600 unit per day - What is the utilization rate of output - What is the efficiency rate of production