Selecting project teams. Suppose you are managing 10 employees and you need to form three teams to work on different projects. Assume that each employee may serve on any team. In how many different ways can the teams be formed if the number of members on each project team are as follows:

a. 3, 3, 4

b. 2, 3, 5

c. 1, 4, 5

d. 2, 4, 4