An inference engine is .
a. a strategy for searching the rule base in case-based reasoning.
b. the programming environment of an expert system.
c. a method of organizing expert system knowledge into chunks.
d. a strategy used to search through the rule base in an expert system by forward chaining or backward chaining.

Astock is selling today for $50 per share. at the end of the year, it pays a dividend of $3 per share and sells for $58. a. what is the total rate of return on the stock? (enter your answer as a whole percent.) b. what are the dividend yield and percentage capital gain? (enter your answers as a whole percent.) c. now suppose the year-end stock price after the dividend is paid is $42. what are the dividend yield and percentage capital gain in this case? (negative amounts should be indicated by a minus sign. enter your answers as a whole percent.)

You have just been hired as a financial analyst for barrington industries. unfortunately, company headquarters (where all of the firm's records are kept) has been destroyed by fire. so, your first job will be to recreate the firm's cash flow statement for the year just ended. the firm had $100,000 in the bank at the end of the prior year, and its working capital accounts except cash remained constant during the year. it earned $5 million in net income during the year but paid $800,000 in dividends to common shareholders. throughout the year, the firm purchased $5.5 million of machinery that was needed for a new project. you have just spoken to the firm's accountants and learned that annual depreciation expense for the year is $450,000; however, the purchase price for the machinery represents additions to property, plant, and equipment before depreciation. finally, you have determined that the only financing done by the firm was to issue long-term debt of $1 million at a 6% interest rate. what was the firm's end- of-year cash balance? recreate the firm's cash flow statement to arrive at your answer

Sarah salesrep is brand new to her job selling "lifetime" printers that never need replacement ink cartridges. the problem is that these printers cost ten times more than a regular printer, so it is difficult to get prospective buyers to understand the cost savings of buying it. to break through the barrier and begin making sales, sarah should use a analysis that highlights her printer's lower cost.