QUESTION 2 Excel's Solver tool can be used for which of the following? Manho hat wwcorect O Constrained optimization O Maximize portfolo expected retum subject to the following constraint minimize portfolio risk O Nonlinear optimization problems O Linear optimization problems O Get an answer to the following question: By how many square feet should a house size increase so that the price of the house jumpa by $30.000, while holding the number of beths, number of bedrooms, and house age unchanged? O Minimize oosts so that the revenue is maximized O Get an answer to the following question: What should be the samples sizes for X arnd Y variables so that the corelation coefficient between them maximized (in the absolute value? OUnconstrained optimization