Estimate the preliminary cost for the listed projects. You can use RSMeans Square Foot Costs data, and both location cost index and a historical cost index, to adjust your estimate, as applicable: a. a 20,000-sf gymnasium (median quality) to be built next month in Los Angeles, CA. b. a three-story, 22,000 sf office building (median quality) to be built next month in San Bernardino, CA c. a high end 40,000 sf medical clinic and offices to be built in next month in Pasadena, CA