Retrieve the financings for a design.

Not specifying financing_option filter allows for the comparison between financings of different types on common attributes such as lifetime_savings or annual_cashflows.

To compare financings of the same type in depth, please specify a valid financing_option in the request URI. The response will include all the common attributes attributes and also type-specific attributes in addition, such as payback_period for cash financings and loan_principal or down_payment for loans. See below for the full list of possible financing_option values and additional response attributes that will be returned with it