$2.$ In $2012,$ Ellen purchased a house for $$150,000$ to

use as her personal residence. She paid $$30,000$

and borrowed $$120,000$ from the local savings

and loan company. In $2014,$ she paid $$20,000$

to add a room to the house. In $2016,$ she paid

$$2,400$ to have the house painted and $$1,200$ for

built$-$in bookshelves. As of January $1$ of the cur$-$rent year, she has reduced the $$120,000$ mortgage

to $$108,300.$ What is her basis for the house?

$7.$ Martha owns $500$ shares of Columbus Corporation

common stock at the beginning of the year with a

basis of $$82,500.$ During the year, Columbus de$-$clares and pays a $10\%$ nontaxable stock dividend.

What is her basis for each of the $50$ shares received?