The price and quantity of several food items are listed below for the years 1990 and 2000. 
Compute the Laspeyres index,using 1990 as the base year.
Definitions:
Multiple IRR Projects
Investment projects that, due to their cash flow structure, yield more than one internal rate of return, complicating the investment decision.
Discounted Cash Flow
A valuation method used to estimate the attractiveness of an investment opportunity, by calculating the present value of expected future cash flows.
Discounted Payback
A capital budgeting method that calculates the amount of time needed to recoup an investment based on its discounted cash flows.
Profitability Index
A calculation used to assess the desirability of an investment, defined as present value of future cash flows divided by initial investment.
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