Answer:
do nothing.
Step-by-step explanation:
Under the equity method, Johnson's investment in Rockford industries will only vary when Rockford distributes dividends (which reduces the investment amount) or when they earnings or losses. Johnson will recognize 30% f Rockford's earnings as income from is investment, and will also recognize 30% of Rockford's losses as a decrease in its investment (loss). The equity method is not based on stock price.