For the same property as above, Mr$.$ Howey proposes now to change the light bulbs in five hallways to save electricity. Here is his plan:Current lighting: $100$ light bulbs $100$ watt$/$hour energy consumption per unitProposed lighting: $100$ light bulbs $75$ watt$/$hour energy consumption per unitIf the cost of electricity still is $$0\mathrm{.}2005$ per Kwatt$/$hour$,$ how much will the new light bulbs save annually if you approve the change? $($Calculate the saving without factoring in any labor cost involved in changing the light bulbs.$)$