Barron$$s Corp. manufactures custom$-$made wire baskets used to hold computer components in computer manufacturing operations.

Wages:

Machine operators $$400,000$

Maintenance workers $45,000$

Factory supervisors $90,000$

Materials used:

Metal wire $$600,000$

Lubricant for oiling machines $5,000$

Clear plastic coating $420,000$

What is Barron$$s direct labour cost $?$