Solve it quickly within 15 minutes . Please do it asap . I will give two upvotes immediately.

Which of the following will result in an unfavorable direct materials efficiency variance? Select one: O The actual cost per unit of direct materials exceeded the standard cost of direct materials. O The actual quantity of direct materials used per unit was less than the standard quantity of direct materials allowed per unit. O The actual cost per unit of direct materials was less than the standard cost of direct materials. The actual quantity of direct materials used per unit exceeded the standard quantity of direct materials allowed per unit. The actual quantity of direct materials used per unit was equal to the standard quantity of direct materials allowed per unit