Chapter 8.3, Problem 17P

To determine

(a)

The explanation of the term $f\left(92000,14,30\right)=1090.08$.

To determine

(b)

The interpretation of the result ${\frac{\partial P}{\partial r}|}_{\left(92000,14,30\right)}=72.82$.

To determine

(c)

If $\frac{\partial P}{\partial A}$ is positive or negative.

To determine

(d)

If $\frac{\partial P}{\partial N}$ is positive or negative.