Steve purchased a set of golf clubs for his son from Super Golf. The sale price of the set of golf clubs is represented by the expression below.
x - 0.45x
Which statement best describes 0.45x?
A.
It is the amount of the tax.
B.
It is the price per golf club in the set.
C.
It is the cost of the set of golf clubs.
D.
It is the amount of the discount.