Answer:
date revenue costs
May 2016 $400
Dec. 2016 $400 $384 / $960 = 40%
May 2017 $400 $576 / $960 = 60%
Revenue recognized during 2016 = $1,200 x 40% = $480 million
Expenses recognized during 2016 = $384 million
Income recognized during 2016 = $480 - $384 = $96 million
Revenue recognized during 2017 = $1,200 x 60% = $720 million
Expenses recognized during 2017 = $576 million
Income recognized during 2017 = $720 - $576 = $144 million
Combined years:
Revenue recognized = $1,200 million
Expenses recognized = $960 million
Income recognized = $240 million