Its 20 oz when Hot as Venti means 20 in Italian. Although for cold beverages its 24 oz. Same is for Trenta cup, as Trenta means 30 in Italian. Trenta cup is reserved for cold beverages in Starbucks. Trenta cup = 30 oz cold beverage.
A utility bill would be a bill for your water, electric, gas, etc.
With One Utility Bill the landlord includes the cost of the utilities in the rent, which means the biggest debts cannot be created without the landlord's knowledge. Bad tenants leaving outstanding debt can damage credit ratings and lead to expensive prepayment meters being installed which cost hundreds to change.