How much does this cost to the nearest dollar?

HP 61 | 2 Ink Cartridges | Black | Works with HP DeskJet 1000 1500 2050 2500 3000 3500 Series, HP ENVY 4500 5500 Series, HP OfficeJet 2600 4600 Series |
HP 61 Black Ink Cartridge HP 61 ink cartridges work with HP Deskjet 1000, 1010, 1012, 1050, 1051, 1055, 1056, 1510, 1512, 1514, 2050, 2510, 2512, 2514, 2540, 2541, 2542, 2543 2544, 2545, 2546, 

Price is $51.00

Price: $50.79