MODIFIED INTERNAL RATE OF RETURN is the rate of return which equates the initial investment with the terminal value, where the terminal value is the future value of the cash inflows compounded at the required rate of return (the opportunity cost of capital).
MAT is Management, Administrative, and Technological.
GOING RATE is an expression that means the cost of the average of suppliers of like products or services. The connotation is that the cost will be "no more expensive than the competition."
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