$[$The following information applies to the questions displayed below.$]$

Chuck Wagon Grills, Incorporated, makes a barbecue grill it sells for $$210.$ Data for last year's operations follow:

$\backslash$table$[[$Units in beginning inventory,$0],[$Units produced,$22,800],[$Units sold,$20,400],[$Units in ending inventory,$2,400],[$Variable costs per unit:,$$50$