Final answer:
To maintain the nondilutive feature when a stock dividend is distributed, the conversion ratio must be multiplied by the stock dividend amount.
Step-by-step explanation:
When adjusting the conversion ratio for a nondilutive feature in response to a stock dividend, the correct action is to multiply the conversion ratio by the stock dividend amount. This adjustment ensures that the value of the convertibility feature of a bond or preferred stock remains constant after the stock dividend. If a stock pays a dividend of 75 cents a share, someone who owns 85 shares will receive a specific monetary amount, hence the need for proportional adjustment in conversion to maintain value.