Compute RNOA, Net Operating Profit Margin, and NOA Turnover

Selected balance sheet and income statement information for Netflix Inc. the world's leading Internet entertainment service, follows.

$\backslash$table$[[,2018,2018,\backslash$table$[[2018$ Net$],[$Operating$]],2017$ Net$],[\backslash$table$[[$Operating$]],,,,],[$thousands$,,,,]]$

a$.$ Compute return on net operating assets $($RNOA$).$

$\backslash$table$[[$Numerator$,$Denominator,RNOA$],[$Revenue$,$hat$(),$NOPAT,hat$(),],[$$$,,$$$,,\%$