Following are the quantities and prices of office supplies for the years 2001 and 2011 for Sam's Student Centre. 1. Determine the simple price indexes.

2. Determine the simple aggregate price indexes for the two years. 3. Determine Laspeyres's price index.

4. Determine Paasche's price index5. Determine Fisher's ideal index.

2001 2011 Item Price ($) Quantity Price ($) Quantity Pens (dozen) $0.90 50 $1.10 55 Pencils (dozen) 0.65 50 0.80 60 Erasers (each) 0.45 250 0.55 275 Paper, lined (pkg) 0.89 500 1.09 750 Paper, printer (pkg) 5.99 300 4.99 450 Printer (cartridges) 15.99 150 19.99 200