The gross domestic product​ (GDP; in trillions of​ dollars) for Country A and Country B can be approximated as follows where x=60 corresponds to the year 1960. Country A: f(x)= XXXXXXXXXX) x Country...

The gross domestic product​ (GDP; in trillions of​ dollars) for Country A and Country B can be approximated as follows where x=60 corresponds to the year 1960.

Country A: f(x)=0.00013(1.103)^x

^{Country B:}
g(x)=0.0149(1.216)^x

^{The first full year in which Country A's GDP surpasses $27 trillion is ____}