3. A lake with a surface area of 225 acres was monitored over a period of time.During a one-month period the inflow was 30 ft/s, the outflow was 27 ft/s,

and 1.5 inches of seepage was measured. The total precipitation during the same month was 4.25 inches. Evaporation was estimated as 6.0 inches. Estimate the change in storage for this lake during the month.