i need script for this if some one can help me
user must enter values for a b c d e
on submit it shows subtotal ,tax , total after calculations of formula given below
subtotal= a*2*0.49+b*33*c+d*1*c+e*65+a/60*10*b
tax= subtotal*0.7
total= subtotal+tax
a = 0
b = 0
c = 0
d = 0
e = 0
Sub Total =0
Tax= 0
Total= 0