A corporation has issued $100 par, 8% cumulative convertible preferred stock, callable at par. The preferred is convertible into 1.4 shares of common stock. Currently, the preferred stock is trading at $102 while the common stock is trading at $75.50. The corporation calls the preferred stock at par plus accrued dividends of $2 per share. The corporation is making n(n):

a.tender offer
b.forced conversion
c.advance refunding
d.simultaneous transaction