$1-$b$.$ Not available in Connect.

$2-$a$.$ Conduct a vertical analysis by expressing each line as a percentage of total revenues. $($Round your answers to $1$ decimal place. Input all amounts as positive values.$)$

$\backslash$table$[[$COMPUTER TYCOON, INC.$],[$Vertical Analysis of Income Statements$],[$For the Years Ended December $31],[,2017,2016],[$Sales revenues,$$,99,300,\%,$$ $127,524,\%$