Refer to the Data Provided in Table 11 -Refer to Table 11

Refer to the data provided in Table 11.2 below to answer the following question(s) .
Table 11.2 $$\begin{array}{l}\begin{array} { l c c } &\text { Total Investment }&\text {Expected Rate of Return }\\ { \text { Project } } & \text { (dollars) } & \text { (percentage) } \\\hline \text { New bookkeeping software } & \$ 150,000 & 5 \\\text { New tractor } & \$ 200,000 & 12 \\\text { New grain storage tanks } & \$ 250,000 & 10 \\\text { Irrigation system } & \$ 500,000 & 15 \\\hline\end{array}\end{array}$$
-Refer to Table 11.2. When the interest rate ________, the farmer will investment in all four projects.

A) is greater than 15%
B) is less than 5%
C) is less than 15%
D) is greater than 5%