Standard Direct Materials Cost per Unit Roanoke Company produces chocolate bars. The primary materials used in producing chocolate bars are cocoa, sugar, and milk. The standard costs for a batch of chocolate (4,350 bars) are as follows: Ingredient Quantity Price Cocoa 630 lbs. $0.30 per Ib. Sugar 180 lbs. $0.60 per lb. Milk 150 gal. $1.50 per gal. Determine the standard direct materials cost per bar of chocolate. If required, round to the nearest cent. per bar