(2) To the extent the corporation elects to withhold payment under subsection (1) of this section, after taking the proposed corporate action, it shall estimate the fair value of the shares plus accrued interest and shall pay this amount to each dissenter who agrees to accept it in full satisfaction of such demand. The corporation shall send with its offer a statement of its estimate of the fair value of the shares an explanation of how the interest was calculated and a statement of the dissenter’s right to demand payment under ORS 60.587. [1987 c.52 §134]