1) The old design of roller mounted on boot is very degraded which was created in 1980. 2) Old design of roller skates is made from wood, plastic, or steel. 3) But now due people like to skate on ice the design has been changed by in-line skates of polyurethane plastic. 4) Rocker industries had retail revenue of more than $100 million in 1990. 5) Ultra-wheels consume the market of rocker industries by 20%. 6) 0n the other due tough competition by rival's rocker industries has lost market share. 7) The high demand in the months of summer on other hand lower demand in December month. 8) The demand is very seasonal with summer is the busiest but for next forecasted demand show in below table. January 300 February 550 Marc 900 W May2500 June 3000 July 1400 August 1000 W October 400 November 700 December 1800 9) The cost of making pair of skates is $80/Pair. Above table shows the seasonal demand of Skates in which Rocker industries have 1000 units at start of October month due festival season. And it is clear that in the November month the demand is lower