| 2008 Contract Price versus Rack Price | |||||||||||||
| January | February | March | April | May | June | July | August | September | October | November | December | Savings | |
| Price Paid | $2.90 | $3.16 | $3.44 | $3.72 | $4.05 | $4.22 | $4.16 | $3.63 | $3.48 | $2.88 | $2.26 | $1.92 | |
| Contract | $2.83 | $2.83 | $2.83 | $2.91 | $2.91 | $2.91 | $3.04 | $3.04 | $3.04 | $3.15 | $3.15 | $3.15 | |
| Difference | $0.07 | $0.33 | $0.61 | $0.82 | $1.15 | $1.32 | $1.12 | $0.59 | $0.44 | ($0.27) | ($0.89) | ($1.23) | |
| 14000Avg | $994.00 | $4,634.00 | $8,554.00 | $11,410.00 | $16,030.00 | $18,410.00 | $15,722.00 | $8,302.00 | $6,202.00 | ($3,710.00) | ($12,390.00) | ($17,150.00) | $57,008.00 |
| 2007 | |||||||||||||
| Price Paid | $2.04 | $2.16 | $2.45 | $2.54 | $2.48 | $2.52 | $2.69 | $2.61 | $2.75 | $2.72 | $3.05 | $2.99 | |
| Contract | $2.15 | $2.15 | $2.15 | $2.15 | $2.15 | $2.20 | $2.20 | $2.20 | $2.25 | $2.25 | $2.25 | $2.25 | |
| Difference | ($0.11) | $0.01 | $0.30 | $0.39 | $0.33 | $0.32 | $0.49 | $0.41 | $0.50 | $0.47 | $0.80 | $0.74 | |
| 14000Avg | ($1,540.00) | $140.00 | $4,200.00 | $5,460.00 | $4,620.00 | $4,480.00 | $6,860.00 | $5,740.00 | $7,000.00 | $6,580.00 | $11,200.00 | $10,360.00 | $65,100.00 |
| 2006 | |||||||||||||
| PricePaid | $2.16 | $2.13 | $2.15 | $2.43 | $2.51 | $2.51 | $2.69 | $2.84 | $2.22 | $2.14 | $2.22 | $2.18 | |
| Contract | $2.08 | $2.15 | $2.15 | $2.15 | $2.15 | $2.15 | $2.15 | $2.15 | $2.15 | $2.15 | $2.15 | $2.15 | |
| Difference | $0.08 | ($0.02) | $0.00 | $0.28 | $0.36 | $0.36 | $0.54 | $0.69 | $0.07 | ($0.01) | $0.07 | $0.03 | |
| 14000Avg | $1,120.00 | ($280.00) | $0.00 | $3,920.00 | $5,040.00 | $5,040.00 | $7,518.00 | $9,660.00 | $980.00 | ($140.00) | $980.00 | $420.00 | $34,258.00 |