Answer:
a.$61.20 per coat
Step-by-step explanation:
The standard cost of the whool per coat will depend on the actual price of for the wool, which is $36 per square yard, as you can see it was only used 1.7 yards per coat, so you just have to multiply the yards used by the actual price:
1.7*36=61.20
So the standard cost per output for the wool was 61.20 usds.