An investment portfolio consists of four stocks. The purchase price, current price, and number of shares are reported in the following table. (Round your answer to the nearest integer.) Stock Purchase Price/Share ($) Current Price/Share ($) Number of Shares Stock A 1,282.00 1,933.78 600 Stock B 199.87 178.23 300 Stock C 178.23 208.99 400 Stock D 91.18 97.13 200 Construct a weighted average of price relatives as an index of the performance of the portfolio to date. I = _________ Interpret this price index. The investment portfolio value is up _______  %.

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Optimization Models

Optimization models are mathematical models that help organizations determine the best way to allocate scarce resources to achieve specific objectives. These models can be used to solve a wide variety of problems, from finding the most efficient route for a delivery truck to determining the optimal mix of products to stock in a store.