The following table reports prices and usage quantities for two items in 2009 and 2011. (Round your answers to the nearest integer.) Quantity Unit Price ($) Item 2009 2011 2009 2011 A 1,400 1,500 7.50 6.95 B 2 650.00 1,400.00 (a) Compute price relatives for each item in 2011 using 2009 as the base period. Item Price Relative A B (b) Compute an unweighted aggregate price index for the two items in 2011 using 2009 as the base period. 2011 = (c) Compute a weighted aggregate price index for the two items using the Laspeyres method using 2009 as the base period. I2011 = (d) Compute a weighted aggregate price index for the two items using the Paasche method using 2009 as the base period. 2011 =