Answer:
So the amount of sales needed will be $144000
Explanation:
We have given selling price per unit =$8
Variable cost per unit = $4.90
Contribution margin per unit = 8-4.90=$3.1
Contribution margin Ratio = 
Fixed costs = $37200
Target profit= $18600
Required Sales amount to earn the desired profit = 

2940 would be 420 per week
Answer:
(B) Hardening sprints
Explanation:
Hardening Sprints are not allowed because the subject of hardening should be continuously address throughout normal Sprints.
Or if the question has the following options:
Which of the following is not allowed in Scrum?
a. Using Story Points
b. Hardening Sprints
c. Release Planning
d. Using Planning Poker
Answer:
(B) Hardening sprints
Explanation:
Using Story Points, Release Planning, Using Planning Poker are not mandatory but allowed. Only hardening sprints are not allowed.