Cochrane, Inc. had $75,000 in cash on the balance sheet at the end of 2001. At year-end 2002, the company had $155,000 in cash. We know cash flow from operating activities totaled $1,250,000 and cash flow from long-term investing activities totaled -S1,000,000. Furthermore, Cochrane issued $250,000 in long-term debt last year to fund new projects, increase liquidity, and to buy back some common stock. If dividends paid to common stockholders equaled $25,000, how much common stock did Cochrane repurchase last year? (Assume that the only financing activities in which Cochrane engaged involved long-term debt, payment of common dividends, and common stock.)