Assess the following case study.

Please read carefully, as this case study is comprehensive and lengthy.

Paola and Gonzalo:

Paola is a dual citizen of Brazil and El Salvador. She was admitted into Canada with a study permit to complete 4-year bachelor degree program in Business Administration at York University.

During her studies in Canada, Paola met a charming classmate, named Gonzalo who is a Canadian citizen. Paola and Gonzalo became very close and dated for a few years. During the last year of her studies, Paola and Gonzalo were engaged and shortly after they were married. They both live in Toronto and Paola would like to continue residing in Canada throughout the application process. She also has plans to visit her mother Jigna in Brazil for a week.

Gonzalo would like to sponsor Paola.

As an immigration consultant, provide Paola and Gonzalo with the best possible advice. Accordingly, please answer the following:

1. Should Gonzalo file an application to sponsor Paola as a member of the Family Class, or as a member of the Spouse or Common-law partner in Canada class? Please explain your recommendation by highlighting at least 5 advantages and 5 disadvantages of each class.
2. What IRCC office is responsible for processing Spouse or Common-law Partner In-Canada Class applications?
3. If filing is done under the Family Class, indicate what would be involved in the application process. Please be as detailed as possible and include a list of all the required forms as well as all the supporting documents for this application. Your list must only include the required forms; do not include any other form if it is not a mandatory form.
4. Please specify the name of the IRCC office responsible for assessing Gonzalo's sponsorship application.
5. Please list all the visa offices that could be responsible for issuing Paola's permanent resident visa under R11.