Carbondale Oll announces that a wildcat well that it has sunk in a new oil province has shown the existence of substantial oil reserves the exploitation of these reserves is expected to increase Carbondalo's free cash flow by 580 million per year for eight years. If investors had not been expecting this news, what is the most likely effect on Carbondale's stock price upon the announcement, given that Carbondale has 80 million shares outstanding, no debt, and an equity cost of capital of 8%? O A rise by $5.75 OB, rise by $460 OC rise by 56.90 D. no effect