In 2015, Jake's Jamming Music, Inc., announced an ROA of 8.64 percent, ROE of 15.30 percent, and profit margin of 15.7 percent. The firm had total assets of $10.3 million at year-end 2015.

1) Net income (Enter your answers in dollars not in millions and round to the nearest whole dollar.)

2) Common stockholders' equity (Round your answer to the nearest dollar amount.)

3) Net sales (Round your answer to the nearest dollar amount.)

Can someone show me how to calculate this please?