How much does this cost to the nearest dollar?

Quality Park #8 5/8 Security Envelopes, Double Window, Self Seal Envelopes for Invoices/Statements, 3-5/8 x 8-5/8, 24 lb White,
Compatible with most standard 3-1/2 x 8-1/2 inch checks for payroll and accounts payable applications. The top window (7/8 x 3-1/2 ) is positioned 5/8 from the left and 2-1/4 from the bottom of the envelope. The bottom window (1 x 4 ) is 5/8 from the left and 5/8 from the bottom. Poly windows, inside tint. Our 500-ct Quality Park #8 5/8 double window envelopes (3

Price is $51.00
Price: $50.79