Question for Talal Abu Ghazaleh & Co

Sir,
My friend is working in a newly established small establishment as Accountant. Now he preparing the Accounts of 2014,2015 & 2016. His Boss wants to Audit these Accounts. If you can do the Audit what is the fee you are going charge. Please just give the idea so that we will contact you in person.
Thanks & regards
Ameer Khan