can someone please help

Direct Materials Variances Alvarado Company produces a product that requires eight standserd peunds per unit. The standard price is $4,00 per pound, If 2,600 urhis used 20,400 pounds, which were purchased at $4.03 per pound, what is the direct moterials (o) price vartance, (b) dounety varianch, and (c) cost variance? Enter a fovarabie variance as a negative number using a minus sign and an unfovorable variance as a positive number