Supply the missing dollar amounts for the current year income statement of NexTech Company for each of the following independent cases.

Note: Input all amounts as positive values.

$\backslash$table$[[,$Case A$,$Case B$,$Case $C,$Case D$,$Case E$],[$Sales revenue,$$,900,$$$,840,$$$,490,,],[$Cost of goods sold,,$330,,660,350],[$Gross margin,$470,,\_,,400],[$Selling expense,$-,150,120,380,230],[$Administrative expense,$140,,100,130,85],[$Pretax income,$200,220,,200,],[$Income tax expense,,$35,45,65,20],[$Net income,$125,,45,,65]]$