Big Corporation signs a contract with FSI on January 1, 2018. FSI will provide the ERP, including installation and testing, consulting services to integrate the software with all of Big Corps other systems and 3 years of support services. Another firm could provide the support services, but FSI requires that they perform the installation and testing. The total price of the contract is $2,400,000. FSI would charge $1,800,000 for the software (including installation and testing) and the estimated fair value of the support services is $600,000. FSI completes the installation and testing during 2018. The support services will be provided in 2018, 2019 and 2020.

Determine how to recognize revenue in 2018, 2019 and 2020. Please explain your recommendation.