A

\[In\left(\frac{c_{0}}{p(t)}\right)^{-2k}\]

B

\[In\left(\frac{c_{0}}{p(t)}\right)^{3} + k\]

C

\[In\left(\frac{p(t)}{c_{0}}\right)^{k}\]

D

\[In\left(\frac{c_{0}}{p(t)}\right)^{k}\]

E

\[In\left(\frac{c_{0}}{p(t)}\right)-ek\]