Accountants assume that the dollar's purchasing power is stable

In a network diagram, nodes can represent:

a. Locations. b. Cities. c. Warehouses. d. Machines. e. Any of the above.

Which of the following is NOT true

A. A call option gives the holder the right to buy an asset by a certain date for a certain price B. A put option gives the holder the right to sell an asset by a certain date for a certain price C. The holder of a call or put option must exercise the right to sell or buy an asset D. The holder of a forward contract is obligated to buy or sell an asset