Crazy Delicious Inc. produces chocolate bars. The primary materials used in producing chocolate bars are cocoa, sugar, and milk. The standard costs for a batch of chocolate $(5,000$ bars$)$ are as follows:

Ingredient Quantity Price

Cocoa $500$ lbs$.$ $$1\mathrm{.}40$ per lb$.$

Sugar $100$ lbs$.$ $$0\mathrm{.}50$ per lb$.$

Milk $250$ gal. $$1\mathrm{.}60$ per gal.

Determine the standard direct materials cost per bar of chocolate.