and products. The consolidated cost is the amount of the weighted costs of things in the "b weighted cost is determined by increasing the unit cost of a thing by the quantity of that th normal shopper buys. Weighted estimating is a viable way to estimating the impact of indiv cost changes on the economy's general expansion. The Consumer Price Index, for instance information gathered by studying families to figure out what extent of the ordinary custom general spending is spent on unambiguous labor and products, and loads the normal costs things as needs be. Those weighted normal costs are consolidated to compute the general more readily relate cost changes after some time, lists ordinarily pick a "base year" cost an it a worth of 100. List costs in ensuing years are then communicated according to the base [17] While looking at expansion measures for different periods one needs to think about th impact too