Anthony made several energy$-$efficient home improvements during the current year. Which expenditure$($s$)$ would be considered a qualifying expense for

the Energy Efficient Home Improvement Credit?

$$1,000$ for $2$ doors $($ $$500$ per door$)$

$$1,000$ for windows

$$4,000$ for a heat pump

$$800$ for an energy$/$water$-$efficient dishwasher

$$2,200$ for an energy$-$efficient washer$/$dryer set

All of the improvements

Only the doors, windows, and heat pump

Only the heat pump

Only the doors and windows