How much does this cost to the nearest dollar?

Shars 6 3 jaw Self Centering Scroll Lathe Chucks 2 Piece Reversible Jaws with TPI Semi-Machined Threaded Back Plate, Machining Required L
Back plate needs to be machined in order to fit the lathe chuck Bolt Circle Diameter 5.591, Thru Hole 1.772 ; Chuck Thickness 2.559 ; TIR (Inch) 0.003 You would not need to drill any mounting holes but you will need to turn the shoulder down.050 to match the back of the lathe chuck to make the chuck & back plate more concentric with the lathe spindle. When turning the shoulder of the backing plate, ONLY TURN THE SHOULDER OF THE BACKING PLATE WHEN ATTACHED TO THE LAT

Price is $187.00
Price: $186.95