Meredith and Derek organized MerDer as a corporation; each contributed $$22,000$ cash to start the business and received shares of stock. The store completed its first year of operations on December $31,2019.$ On that date, the following financial items for the year were determined: cash on hand and in the bank, $$22,500$; amounts due from customers from sales of books, $$29,300$; equipment, $$53,800$; amounts owed to publishers for books purchased, $$7,800$; one$-$year notes payable to a local bank for $$28,200.$ No dividends were declared or paid to the stockholders during the year.

On December $31,2019,$ what is the total stockholders' equity of MerDer? $$\_$