(2)Where the Assessing Officer directs for audit under sub-section (2A) of section 142 on or after the 1st day of June, 2007, the expenses of, and incidental to, audit (including the remuneration of the Accountant, qualified Assistants, semi-qualified and other Assistants who may be engaged by such Accountant) shall not be less than rupees three thousand seven hundred and fifty and not more than rupees seven thousand and five hundred for every hour of the period as specified by the Assessing Officer under sub-section (2C) of section 142.