Lake Appliance produces washers and dryers in an assembly-line process. Payroll costs incurred during a recent period were: corporate executives, $620,000; assembly-line workers, $290,000; security guards, $43,000; and plant supervisor, $190,000. The total of Lake's direct labor cost was

$197,000.

$290,000.

$233,000.

$817,000.

$190,000.