Develop a weighted aggregate quantity index with a 2000 base. (Round your answer to the nearest integer.) I2015= Comment on the growth or decline in quantities over the 2000-2015 period. Quantities are up substantially, by more than 5%. Quantities are down slightly, by less than 5%. Quantities are up slightly, by less than 5%. Quantities are down substantially, by more than 5%. Construct a weighted average of price relatives as an index of the performance of the portfolio to date. I= Interpret this price index. The investment portfolio value is up %. (a) Give the real wages (in dollars) for registered nurses for 2007 and 2011 by deflating the hourly wage rates. (Round your answers to the nearest cent.) Deflated 2007 wages Deflated 2011 wages (b) What is the percentage change in the actual hourly wage for registered nurses from 2007 to 2011 ? (Enter your percentage as a positive value. Round your answer to the nearest integer.) The percentage n actual hourly wages is %. (c) For registered nurses, what was the percentage change in real wages from 2007 to 2011 ? (Enter your percentage as a positive value. Round your answer to the nearest integer.) The percentage in real hourly wages was %