Real are still thought to remain the front-runners in the crowded chase to sign Mbappe, who has also been linked with the likes of Paris Saint-Germain, Liverpool and Manchester United, although Perez believes he might be too young.
Questioned after Portugal's Confederations Cup semi-final loss to Chile on Wednesday, Ronaldo refused to be drawn on the situation.
In a Facebook post, he said: "I'm very happy to finally be with my children for the first time".
2016-17 was a remarkable year for Real Madrid.
Do you think Ronaldo is seriously thinking about leaving Real?
"He is one of the best players in the world", he told esRadio. But if we did not win then I would work with him.
Takata Files For Bankruptcy Protection, Finds Buyer in US
Takata and automakers were slow to address the problem with the inflators, despite reports of deaths and injuries. That would make it the largest bankruptcy for a manufacturer in Japan in the postwar period.
'We must wait and we will speak after the Confederations Cup. But Perez insisted that Ronaldo is not like that and said that the Portuguese are not motivated by money. He is angry. Many people have wanted to damage him with this tax issue, and other issues, and that affects him.
The former striker of Barcelona, Inter Milan, Real Madrid and AC Milan added: "Even if he is upset, there is no club in the world that will treat him better than Real Madrid does".
"I know Cristiano is angry, but I think he will stay", the Madrid chief stated. "I have spoken with [Ronaldo's agent Jorge] Mendes about him".
Manchester United fans on the other hand, will be hoping Ronaldo makes a fairy-tale return to Old Trafford.
Jose Mourinho is in the market for a forward to replace Zlatan Ibrahimovic ahead of the 2017-18 Premier League campaign, with United chiefs said to be willing to fork out a substantial fee.
Finally, Nazario gave his take on the Real Madrid organisation, explaining that he is very happy with the role that club president Florentino Perez offered him.