$(10$pts$)$ Using the data for Lake Five$-$O in Table $1\mathrm{.}6\mathrm{.}1$ attached, show that the net groundwater flow for December $1990$ is $-28,500m^3.$

All units are in cubic meters, unless otherwise noted. Standard deviation is the error component of the net groundwater flow estimate. Negative values of net groundwater flow indicate that leakage exceeded groundwater inflow.