4. In 2018, Jake's Jamming Music, Inc announced an ROA of 8.47 percent, ROE of 13.60 percent, and profit margin of 91 percent. The firm had total assets of $8.6 million at year-end 2018. Calculate the 2018 value of net income available to common stockholders for Jake's Jamming Music, Inc. (Enter your answer in dollars. Round your answer to the nearest whole dollar.) Net income Calculate the 2018 value of common stockholders' equity for Jake's Jamming Music, Inc. (Enter your answer in dollars not in millions and round to the nearest whole dollar.) Common stockholders' equity Calculate the 2018 value of net sales for Jake's Jamming Music, Inc. (Enter your answer in dollars not in millions and round to the nearest whole dollar.) Net sales