A steel bolt is to be produced with the following dimensions. Questions: a)How many inches of material will be needed to produce 24 dozen bolts?

A steel bolt is to be produced with the following dimensions. 

Questions:

a) How many inches of material will be needed to produce 24 dozen bolts?  (Hint: 1 dozen = 12 pieces)

b) How many feet of material will be required? (Hint: 1 foot = 12 inches)

c) If steel costs $1.45 a foot, what will the total cost be to produce the necessary number of bolts? Assume that steel is sold only by the foot (meaning you can't buy part of a foot).