Answer :
The price variance is $450 which is Favourable, the quantity variance is $300 unfavourable, and total direct materials cost variance for december is $150 Favourable
Explanation:
Actual price = $8550 divide by 600 = $14.25
Standard price = $15.00
Actual quantity = 600
Standard quantity = 580
[tex]Price Variance $=$ (Standard price - Actual price) $^{*}$ Actual quantity[/tex]
[tex]=(\$ 15.00-14.25) * 600[/tex]
= $450 Favorable
[tex]Quantity variance= (Standard quantity - Actual quantity) * Standard price[/tex]
[tex]=(580-600) * 15[/tex]
= $300 Unfavorable
[tex]Total direct materials cost variance $=$ (Standard quantity $^{*}$ Standard price - Actual quantity Actual price)[/tex]
[tex]=(580 * 15.00-600 * 14.25)[/tex]
= $150 Favorable