Based on the following table, the additional cost of producing the 60th unit of output is:

Explain the law of diminishing marginal utility. How does it relate to the shape of the demand curve?

What will be an ideal response?

In a call options contract, the

A) seller has the obligation to deliver the instrument at a specified time. B) buyer has the obligation to receive the instrument at a specified time. C) seller may choose whether or not to deliver the instrument at a specified time. D) buyer will choose to exercise his option only if the value of the underlying security falls.