help with these questions please

Given the project baseline information given below, answer the following questions regarding variances in periods 4 and 8. Baseline ES 13 4 is 16 10 11 112 14 Take A B U 2 Du 2 6 5 1 le 250 1000 4500 30 450 O 2 o 20 21 od 10 28 9 12 3 00 ro 100 2 TE D 2001 200 700 10 200 2 12 15 O od 300 At the end of period 4: Percent Task Complete AC A 100% 450 B 60% 1,500 C 45%2,200 D 096 0 E 0% 0 0% At the end of period 8: Percent Task Complete AC A 100% 450 B 100% 3,200 C 100% 4,400 D 25% 150 E 3396 500 F 0% O Question 39 (2 points) Listen At the end of period 4, what is the cost variance for task A? Your Answer: Answer Question 40 (2 points) Listen At the end of period 4, what is the cost variance for task B? Your Answer: Answer Question 43 (2 points) Listen At the end of period 4, what is the cost variance for task E? Your Answer: Answer Question 44 (2 points) Listen "At the end of period 4, what is the cost variance for task F? Your