notes to consolidated financial statements 2014 ( continued ) note 12 2014related party transactions in the course of settling money transfer transactions , we purchase foreign currency from consultoria internacional casa de cambio ( 201ccisa 201d ) , a mexican company partially owned by certain of our employees .
as of march 31 , 2008 , mr .
ra fal lim f3n cortes , a 10% ( 10 % ) shareholder of cisa , was no longer an employee , and we no longer considered cisa a related party .
we purchased 6.1 billion mexican pesos for $ 560.3 million during the ten months ended march 31 , 2008 and 8.1 billion mexican pesos for $ 736.0 million during fiscal 2007 from cisa .
we believe these currency transactions were executed at prevailing market exchange rates .
also from time to time , money transfer transactions are settled at destination facilities owned by cisa .
we incurred related settlement expenses , included in cost of service in the accompanying consolidated statements of income of $ 0.5 million in the ten months ended march 31 , 2008 .
in fiscal 2007 and 2006 , we incurred related settlement expenses , included in cost of service in the accompanying consolidated statements of income of $ 0.7 and $ 0.6 million , respectively .
in the normal course of business , we periodically utilize the services of contractors to provide software development services .
one of our employees , hired in april 2005 , is also an employee , officer , and part owner of a firm that provides such services .
the services provided by this firm primarily relate to software development in connection with our planned next generation front-end processing system in the united states .
during fiscal 2008 , we capitalized fees paid to this firm of $ 0.3 million .
as of may 31 , 2008 and 2007 , capitalized amounts paid to this firm of $ 4.9 million and $ 4.6 million , respectively , were included in property and equipment in the accompanying consolidated balance sheets .
in addition , we expensed amounts paid to this firm of $ 0.3 million , $ 0.1 million and $ 0.5 million in the years ended may 31 , 2008 , 2007 and 2006 , respectively .
note 13 2014commitments and contingencies leases we conduct a major part of our operations using leased facilities and equipment .
many of these leases have renewal and purchase options and provide that we pay the cost of property taxes , insurance and maintenance .
rent expense on all operating leases for fiscal 2008 , 2007 and 2006 was $ 30.4 million , $ 27.1 million , and $ 24.4 million , respectively .
future minimum lease payments for all noncancelable leases at may 31 , 2008 were as follows : operating leases .

operating leases
2009
$ 22883
2010
16359
2011
11746
2012
5277
2013
3365
thereafter
7816
total future minimum lease payments
$ 67446

we are party to a number of other claims and lawsuits incidental to our business .
in the opinion of management , the reasonably possible outcome of such matters , individually or in the aggregate , will not have a material adverse impact on our financial position , liquidity or results of operations. .

Question: what is the exchange rate pesos to dollar in 2008?
Answer: 10.89

Question: what is the exchange rate pesos to dollar in 2007?
Answer: 11.01