I. Research Phase

A$.)$ Prepare product development proposal

$$ Conduct competitive analysis

$$ Review field sales reports

$$ Conduct technological capabilities assessment

B$.)$ Develop focus group data

C$.)$ Conduct telephone surveys

D$.)$ Identify relevant specification improvements

II$.$ Design and Engineering Phase

A$.)$ Interface with marketing staff

B$.)$ And so on

III. Testing Phase

IV$.$ Manufacturing Phase

V$.$ Sales Phase