Assignment $1$: Your company manufactures calendars. You use a standard cost system. Relevant costs for direct materials are as follows:

Actual Purchase Price: $$0\mathrm{.}35$ per page

Standard Quantity: $510,000$ pages

Actual Quantity Purchased: $600,000$ pages

Actual Quantity Used: $540,000$ pages

Standard Price Per Page: $$0\mathrm{.}34$ per page

Required: Calculate:

$1)$ Total Cost of Purchases

$2)$ Materials Price Variance

$3)$ Materials Quantity Variance

$4)$ Net Materials Variance