The standard direct labour cost of product Berg is as follows: Three hours of skilled labour at $4$

per hour is equal to $12$ per unit of product Berg. During the current period,

$800$ units of the product were made, and the skilled direct labour cost was $10,200$ for $2,000$ hours

worked.

Based on the above information, what was the direct labour total variance?

a$)600$ Adverse

b$)800$ Favourable

c$)800$ Adverse

d$)600$ Favourable