How should i do reverse calculation when st & vat

How to calulate missing amount if VAT & service Tax both including? How should I do Reverse calculation if one item on which service tax chareged @ 12.36% & then on sub total (Item rate + Service tax) % VAT is charged. E.g. item base price is 417, ST on it is 52 & VAT is 23 = Total billing amount is 492. Suppose if I want to made this bill for Rs.450 Then how should I do reverse calculation? i.e How should I arrive at Item's base value? I am using Tally software.

Replies (2)

hi

you can calculate service tax as for 492   st   is  Rs 52 then what for Rs 450 ( 450*52/492)= 47.77. and same for vat amount ( 450*23/492) = 21.

Originally posted by : IMAM

hi

you can calculate service tax as for 492   st   is  Rs 52 then what for Rs 450 ( 450*52/492)= 47.77. and same for vat amount ( 450*23/492) = 21.

Hi,

How should I reverse calculate when I know only final billing amount say Rs.450? What should be the ST & VAT when final billing amt is Rs.450?

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