profitability index npv Offering exceptional thermal efficiency, build quality, and desirable minimalist aesthetics, Üni_Slide can achieve frame sightlines as slim as 20mm, and a slim central interlock, while being able to support sliding panels of up to 3m high and 2.2m wide. The product can be assembled in a limitless run of units, with each panel capable of holding up to 320kg of glass. 3. First sex. Plan is the premise of other management work, plan before and after action. Canning's 1929 book, economics in accounting, cites the economist's view that asset values are determined by the present value of the future cash flows of assets.