John's son was not his agent but contracted to purchase a computer in John's name. When John learned of this, John sternly rebuked his son but continued to use the computer for several weeks. After losing interest in the computer, John offered to return it, saying that the purchase was unauthorized. John:.
A) is not liable on the purchase.
B) expressly ratified the purchase.
C) is liable because all children have the apparent authority to contract for their parents.
D) ratified the purchase by John's conduct.

Suppose a country's productivity last year was 84. if this country's productivity growth rate of 5 percent is to be maintained, this means that this year's productivity will have to be:

While cell phones with holographic keyboards are currently in the introduction stage of the industry life cycle, tablet computers are in the growth stage. in the context of this scenario, which of the following statements is true? a. the industry for cell phones with holographic keyboards will face greater competition than the tablet industry. b. while the industry for cell phones with holographic keyboards will focus more on product innovation, the tablet industry will focus more on process innovation. c. while the industry for cell phones with holographic keyboards can reap the benefits of economies of scale, the tablet industry will experience no such benefits. d. the industry for cell phones with holographic keyboards will face price competition, whereas, in the tablet industry, the mode of competition will be non-price.

Andrea's opportunity cost rate is 12 percent compounded annually. how much must he deposit in an account today if he wants to receive $2,100 at the beginning of each of the next seven years? use the equation method to determine the amount.