$($Appendix $10$B$)$ The Dexon Company makes and sells a single product, called a Mip, and employs a standard costing system. The following standards have been established for one unit of Mip:

Standard Quantity or Hours Standard Cost per Mip

Direct Materials $6$ board metre $$9\mathrm{.}00$

Direct Labour $0\mathrm{.}8$ hours $$9\mathrm{.}60$

There were no inventories of any kind on August $1.$ During August, the following events occurred:

Purchased $15,000$ board metres at the total cost of $$24,000.$

Used $12,000$ board metres to produce $2,100$ Mips.

Used $1,700$ hours of direct labour time at a total cost of $$20,060.$

$($Appendix $10$B$)$ To record the incurrence of direct labour cost and its use in production, the general ledger would include what entry to the Labour Rate Variance account?

Question $10$ options:

$$240$ credit.

$$240$ debit.

$$340$ debit.

$$340$ credit.