Answer:
A nonconforming use.
Explanation:
In a real estate language, a nonconforming use of property are referred to the use of a property that was allowed as per the zoning regulations at the time of building the property, but which can be no longer used because of the new zoning regulations. In simple terms, the operation of property for a particular use is nullified with the new zoning regulations.
<u>In the given case, the grocery store will be considered a nonconforming use because the area in which the store is located has been changed to residential area as per the new zoning ordinance. Though the store was there for the past 30 years, and previously as per the old zoning ordinance it was in operation. But can no longer be in operation as a store in the area that has been announced to be a residential area</u>.
So, the correct answer is a nonconforming use.
The meaning of the phrase cost-effective in the first paragraph of this passage is C. getting the most for the money you spend.
If you insulate and seal air leaks in your home on time, you won't have to think about that in the future. Thus, if you pay a lot of money now, you will save a lot more in the future than if you didn't insulate, and then had to fix stuff around the house all the time, which would waste so much of your money.