Question $3$: Standard Costing For a batch of $100$ units of a popular lumber package, create a standard cost card with the following fictitious costs:

$$ Material cost: $$40$ per unit

$$ Labor cost: $$10$ per unit $(2$ hours of work at $$5$ per hour$)$

$$ Overhead $($allocated based on machine hours, with the lumber package requiring $10$ machine hours at a rate of $$2.$ Calculate the total standard cost for the batch.