New Delhi, Sept. 2 -- Every mutual fund house incurs expenses. Fund managers need to be paid their salaries for managing investors' money. Distributors need to be paid commissions for selling mutual fund schemes. Apart from these, there are several costs incurred in running a fund house such as auditor's fees, registrar and transfer agent's fees and so on. Who'll pay for all this? The investor, of course. Hence, the rules allow mutual fund schemes to deduct some portion from your investments to pay for these expenses; whatever remains belongs to investors. But there is a limit to which the fund houses can charge investors. Equity funds are allowed to charge up to 2.5% of the assets that a scheme manages (apart from something extra to ince...