Calculating overtime, and deductions like NI and tax

Avg Bid (GBP)
Project Budget (GBP)
£20 - £250

Project Description:
I have generated MS exel spreadsheet to calculate hour worked, pay, deductions etc. I want to turn it into iPhone app so user can download it from apple app store and use it for their work salary calculation and tracking for whole tax year.
Is there anyone to carry out this work. Please send me terms and condition and price.

Skills required:
iPhone, Mobile Phone
About the employer:
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