Following is the Project Evaluation and Review Technique (PERT) data used to execute a marketing campaign at TeaTime Inc. Calculate the variance for the project in weeks2. Activity Immediate Predecessors Duration Mean (weeks) Duration Variance (weeks2)
A 1 1
B 4 1.5
C A 3 1
D B 1 0.4
E C, D 4 1.5
F E 3 1
G F 5 1.6
a. 2.5 weeks
b. 3.0 weeks
c. 3.5 weeks
d. 4.0 weeks

Hours to produce one unit worker hours to produce yarn country a 8 hours country b 4 hours worker hours to produce fabric counrty a 12 hours country b 13 hours additional worker hours to produce fabric instead of yarn country a ? country b? which of the follow is true of the trade relationship between country a and country b? country a has an absolute advantage in producing yarn and fabric country b has an absolute advantage in producing yarn and fabric country b has a comparative advantage to country a in producing fabric country a has a comparative advantage to country b in producing fabric

You speak to a business owner that is taking in almost $2000 in revenue each month. the owner still says that they are having trouble keeping the doors open. how can that be possible? use the terms of revenue, expenses and profit/loss in your answer

Why is efficiency an important economic goal?