An investor owns $10,000 of Adobe Systems stock, $15,000 of Dow Chemical, and $25,000 of Office Depot. What are the portfolio weights of each stock? a. Adobe Systems = 0.3333, Dow Chemical = 0.3333, Office Depot = 0.3333. b. Adobe Systems = 0.2, Dow Chemical = 0.3, Office Depot = 0.5. c. Adobe Systems = 0.3, Dow Chemical = 0.2, Office Depot = 0.5. d. Adobe Systems = 0.2667, Dow Chemical = 0.3333, Office Depot = 0.4.