S-I/A Table of Contrail Transaction and processing service fees revenue remained flat in 2013 compared to 2012 as increases in merchant related services revenue were offset by decreases in card services and check services revenue. Revenue increased due to volume growth of approximately $75 million. Revenue increases were partially offset by negative pricing impact of approximately $25 million and negative foreign currency impact of approximately $20 million. Check services revenue declined $32 million as a result of lower overall check volumes and merchant attrition. Refer to "Segment Results" within this prospectus for additional information on our growth drivers. Product sales and other revenue increased during 2014 compared to 2013 due to higher equipment sales of $8 million, higher software sales of $34 million, higher professional services sales of $14 million, and revenue streams with lower variable expenses such as portfolio growth in the leasing business of $20 million, including interest income and fees on terminal leases, and the $12 million sale of a merchant portfolio in Poland in the fourth quarter of 2014. During 2014, we recognized $5 million for contract settlements and waivers. Foreign currency exchange rate movements negatively impacted the product sales and other growth rate for 2014 compared to 2013 by approximately 3 percentage points. Product sales and other revenue decreased in 2013 compared to 2012 due to a decline in domestic terminal sales of $7 million, including lower hulk sales, a decrease in international software license sales of $29 million and foreign currency exchange rates, partially offset by growth in professional services revenue of $12 million resulting from new projects. Foreign currency exchange rate movements negatively impacted the product salts and other growth rate in 2013 compared to 2012 by approximately 1 percentage point. Reimbursable debit network fees. postage. and other revenue increased in 2014 and