Which of the following formulas is used to calculate the materials price variance?

$($Actual Price $$ Actual Quantity$)-($Standard$.$Price $$ Standard Quantity$)$

$($Variable Price $\backslash$times Actual Quantity$)-($Total Price $\backslash$times Actual Quantity$)$

$($Fixed Price $\backslash$times Average Quantity$)-($Standard Price $\backslash$times Actual Quantity$)$

$($Actual Price $$ Actual Quantity$)-($Standard Price $$ Actual Quantity$)$