Does leverage increase the total size of gain or loss from an investment or just the percentage rate of return on the part of the investment amount that was not borrowed?

The distinction between a normal and an inferior good is

Plastic and steel are substitutes in the production of body panels for certain automobiles. if the price of plastic increases, with other things remaining the same, we would expect: a) the demand curve for plastic to shift to the left. b) the price of steel to fall. c) the demand curve for steel to shift to the left d) nothing to happen to steel because it is only a substitute for plastic. e) the demand curve for steel to shift to the right

Garcia industries has sales of $200,000 and accounts receivable of $18,500, and it gives its customers 25 days to pay. the industry average dso is 27 days, based on a 365-day year. if the company changes its credit and collection policy sufficiently to cause its dso to fall to the industry average, and if it earns 8.0% on any cash freed-up by this change, how would that affect its net income, assuming other things are held constant? a. $241.45b. $254.16c. $267.54d. $281.62e. $296.44