and willie, recology -- and willie recology provides the right books for the rec and park the permanent separate rate books for all other departments, reflecting the rate discounts described. this tabletilizes a sampling of prices from the city's great books. any rate increases, as you can see, are applied equally across the rate categories. . this table, again, illustrates the history of price increases over the term of the mou and reflects recology's agreement to waive its right to a cola increase in fiscal year 2011- 2012. our calculations indicate a cumulative increase of 16% for the term of the mou. as of the time this resolution was submitted, all funds remaining on this contract were incumbered. their proposed increase of $5.8 million was estimated by taking the actual amount voucher in fiscal year 2010-2011, which was $5.7 million, plus an additional 2% contingency of $100,000. we think the small amount is reasonable based on fluctuations in usage. further, the not to exceed amount is an agreement cap. it does not obligate the city to spend this amount. the amount departments ca