$($c$)$ Calculate Nvidia's productivity for $2020,2021,$ and $2022$ based on the information below. Then describe the change in productivity from $2020$ to $2021$ and $2021$ to $60$ points$)$

$\backslash$table$[[$Revenue$,$Year Ended$],[\backslash$table$[[$January $30],[2022]],\backslash$table$[[$January $31,],[2021]],\backslash$table$[[$January $26,],[2020]]],[$$$,26,914,$$$,16,675,$$$,10,918],[$Cost of revenue,,$9,439,,6,279,,4,150],[$Gross profit,,$17,475,,10,396,,6,768]]$