The water budget for December 26th at Santa Fe Dam includes: precipitation of 2.50 inches, evaporation 0.25 inches, surface water inflow is 925 cfs and surface outflow is 850 cfs and a change in lake depth of 4 inches. The average surface area of the lake is approximately 750 acres. Draw a schematic of the water budget, provide the governing question and determine the net groundwater flow?