Rudolfo purchased 900 shares of stock for $62.20 a share and sold them ten months later for $64.60 a share. The initial margin requirement on this stock is 75 percent and the maintenance margin is 40 percent. Ignoring dividends and costs, what is his holding period return?

Cadillac's portfolio consists of sedans, a crossover, a sport utility vehicle, and a high-performance version of the sedan. the sedans are sold through the cadillac dealer network, but the high-performance version is sold in limited volumes and is not available at all dealers. this difference in availability is an example of how the products within the cadillac portfolio are differentiated by the