The expression below represents the total cost, in dollars, for Thomas to purchase some new cloths 1065(30 + 20X)
x reprsents the number of shirts Thomas purchases, which of the following statements are correct.

a each shirt cost $30
b each shirt cost $20
c The sales tax is 6.5%
d Thomas recieves a a 6.5% discount
e The cost fo the shirt with tax is $21.30
f the cost of the shirt is $18.70 with the discount