Answer: Option A
Step-by-step explanation:
When the team of engineers decided to design a footwear that will help the people suffering from painful foot condition that is caused by footwear.
There are many steps in designing such a footwear that is helpful in treating this problem. First of all they will look the other footwear available in the market and the problem that is not being solved by the available option.
They will do research and study a bit of orthopedics to get more knowledge about the bones and shoes.
They will also estimate the cost of shoes. But they will not wait to see if the symptoms improve because it is the feedback step of the experiment.