Highland Company produces a lightweight backpack that is popular with college students. Standard variable costs relating to a single backpack are given below:

	Standard Quantity or Hours	Standard Price or Rate	Standard Cost
Direct materials	?	$6.00 per yard	$ ?
Direct labor	?	?	?
Variable manufacturing overhead	?	$2 per direct labor-hour	?
Total standard cost			$?

Overhead is applied to production on the basis of direct labor-hours. During March, 770 backpacks were manufactured and sold. Selected information relating to the month