The following table reports prices and usage quantities for two item in 2000 and 2011. [Round your answers to the nearest integer.) nn- .5... {a} Compute pn'ce relatives for each item in 2011 using 2009 as the base period. (b) Compute an unweighted aggregate price index for the two items in 2011 using 2009 as the base period. 12::11 = |:| (c) Compute a weighted aggregate price index for the two items using the Laspevres method using 2009 as the base period. 12... = |:| (d) Compute a weighted aggregate price index for the two items using the Paasche method using 2000 as the base period. 12.... = |:|