Four years ago, Velvet Purses purchased a mailing machine at a cost of $176,000. This equipment is currently valued at $64,500 on today's balance sheet but could actually be sold for $58,900. This is the only fixed asset the firm owns. Net working capital is $57,200 and long-term debt is $111,300. What is the book value of shareholders' equity?

A.$4,800

B.$7,700

C.$10,400

D.$222,600

E.$233,000