Champaign Corporation purchases $45\%$ of the common stock of Rockville, Inc. at a purchase price of $$17\mathrm{.}3$ million cash. During the year, Rockville reports net income of $$2,368,000$ and pays $$435,200$ of cash dividends. At the end of the year, the market value of Champaign$$s investment is $$19\mathrm{.}0$ million.

What is the year$-$end balance of the equity investment in Rockville?

Select one:

a$.$ $$20,103,200$

b$.$ $$18,169,760$

c$.$ None of these are correct

d$.$ $$17,300,000$

e$.$ $$20,932,800$