Berkshire Trains, Inc. makes three products used on train tracks that use "Compound W" which is in short supply, hence a "constrained resource". Data concerning those products appear below: RP Selling price per unit Variable cost per unit Centiliters of compound W KI $282.40 $232.24 4.4 LH $554.74 $463.1 $248.98 $173.5 7.9 5.1 Since there is not unlimited capacity they have to figure out which products are the most profitable. This ranking will help them determine which products should be emphasized. Rank Berkshires three products in order of their current profitability from most profitable to least profitable. O RP,KI,LH O RP,LH,KI O LH,RP,KI O KI,RP,LH