C

Function $f$ is given completely by the next graph. Identify which of the following statements is true.

Investors Thomas and Paul invested the same amount. After the first year, the value of Thomas's investments decreased by $5{}^{\text{o}}/{}_{\text{o}}$, but after the following year, their value increased by $5{}^{\text{o}}/{}_{\text{o}}$. Paul's investments were more stable. After the first year, the value of his investments increased by $2{}^{\text{o}}/{}_{\text{oo}}$, but after the second year, it decreased again by $2{}^{\text{o}}/{}_{\text{oo}}$. Determine the true statement about the value of Thomas and Paul's investments two years after the investment.