Given the retail location coordinates and the value of material movement in the following chart, find the best supply point location using the center-of-gravity method. 
Definitions:
Discount Rate
The interest rate used to discount future cash flows to their present value, commonly used in capital budgeting and investment planning.
IRR
Internal Rate of Return is a financial measure used to calculate the expected profitability of prospective investments.
NPV
Net Present Value, a method used in capital budgeting to analyze the profitability of an investment or project by calculating the difference between the present value of cash inflows and outflows.
Internal Rate of Return
A metric used in capital budgeting to estimate the profitability of potential investments, calculated as the discount rate that makes the net present value of all cash flows zero.
Q9: Formal marketing research, such as surveys and
Q22: For General Motors' supply chain, the _
Q26: All of the following are common objectives
Q31: A company such as eBay relies more
Q31: The seven QC tools are designed to
Q35: A critical part has a manufacturing
Q47: Product layouts offer higher flexibility with low
Q56: A firm must make a choice between
Q77: In a regression model, both the dependent
Q91: To improve system reliability, one option is