How much does this cost to the nearest dollar?

GOOF PROOF SHOWER Stinga-Level Standard Starter Kit
Designed for any wall mounted tile installation where tiling begins above the floor, primarily for shower walls. Reusable, interlocking sections with level vials are used in a series to form a continuous angle support shelf to rest tiles. Kit includes (4) L x 1-1/4 W x 2 H yellow plastic flexible sections that conform to curves, inside, and outside corners; (4) 26-7/8 L x 1-1/4 W x 2 H red plastic rigid sections for straight walls; carrying case; and installation pamphlet. No. Pieces In Kit 10 pieces, Pkg Qty 1, Package Type Clamshell Supports the tile and stone on shower walls and levels

Price is $138.00
Price: $137.99