How much does this cost to the nearest dollar?

THERM-X-TROL ST-5 Expansion Tank
Amtrol ST-5 (Therm-X-Trol) is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of water expansion. Water heater expansion tank is commonly installed in a domestic hot water system that contains a backflow preventer, a check valve or a pressure reducing valve.The HydroClaw Expansion Tank Support Bracket provides a safe and reliable option if you prefer to mount your expansion tank. This expansion tank bracket is easy to install and will hold any tank with a diameter of 8 nominal.Amtrol ST-5 Advantages Eliminates the waste of energy and water, thus saving moneyProtects the water heater and plumbing fixtures from premauture failureReduces potential safety hazards

Price is $73.00
Price: $72.99