please show work.

4. ABC Inc. has acquired GHW Corporation for $13.2 million. One year after acquisition, GHW had sales of $9 million, a gross profit of $3.5 million, net income of $1.2 million, total assets of $24 million, and total liabilities of $9.6 million. Assume no issuance or buybacks of stock after the acquisition. a. What is ABC's ROI on its investment in GHW? b. What is stockholders' equity of GHW one year after acquisition? C. Assume that all of the above is the same, except that net income was $1.4 million. What amount was paid in dividends the first year