Time has a positive value for most people, but their opportunity costs of time differ

In the figure above, what is the slope of the curve at point A?

A) 0.75 B) -0.75 C) 1.33 D) -1.33 E) zero

During the financial crisis, which type of risk was the biggest problem faced by investment banks?

A) interest-rate risk B) currency risk C) hedging risk D) credit risk