To create their deluxe beef sandwiches, robbie's roast beef finely slices prime roast beef, stacks it on a sesame bun, adds special seasonings, cheese, onions, and mushrooms. the value added by robbie's when it combines these ingredients to make a sandwich is known as:

a) consumer surplus.

b) the analytic function.

c) marginal utility.

d) form utility.

Microsoft's stock price peaked at 6118% of its ipo price more than 13 years after the ipo suppose that $10,000 invested in microsoft at its ipo price had been worth $600,000 (6000% of the ipo price) after exactly 13 years. what interest rate, compounded annually, does this represent? (round your answer to two decimal places.)

6carla would like to buy a dress, a dresser for her bedroom, and a home theater system. she has one month's worth of living expenses in her emergency fund. carla decides to save for the home theater system. did carla make the right decision? why or why not? a. yes; her emergency fund is full and the other items will probably be less expensive. b. yes; she could save more for her emergency fund, but the home theater will be harder to save for. c. no; she should save more for her emergency fund because she has saved less than the recommended amount. d. no; she should have bought the dress and dresser first because she could afford them right away. reset next

Melissa is a very generous single woman. before this year, she had given over $11,400,000 in taxable gifts over the years and has completely exhausted her applicable credit amount. in the current year, melissa gave her daughter riley $100,000 and promptly filed her gift tax return. melissa did not make any other gifts this year. how much gift tax must riley pay the irs because of this transaction?