How much does this cost to the nearest dollar?

HARDWOOD Brass Mortise Lock Cylinder, Satin Nickle Plated Cover, Φ1.38, 3 Available cams, Schlage C Keyway, 6-pin, 1 Pack
Size Length 1-1/8, Head Dia. 1.38, Head Thickness 0.16 Material Solid Brass, Satin Nickle Plating Pack 1 set per box Main Feature 3 keys/ 6-pin for Schlage C keyway Kindly reminding Before you buy this lock cylinder, please be sure to check whether the cam shapes match your original ones. Otherwise, the lock would not work when the cam doesn't match. Normally this mortise cylinder can match most of the locks as it's the standard component. Brand HARDWOOD, Special Feature Key Lock,

Price is $40.00

Price: $39.99