The running time $T_A(N)$ of algorithm $A$ is proportional to $N$ whilst the running time $T_B(N)$ of algorithm $B$ is proportional to $N^2.$

If the value of $T_A(16)$ is $80$ and the value of $T_B(16)$ is $1280,$ what are the values of $T_A(80)$ and $T_B(80)?$

$T_A(80)=400$ and $T_B(80)=32,000$

none of the others

$T_A(80)=16$ and $T_B(80)=16$

$T_A(80)=400$ and $T_B(80)=6,400$

$T_A(80)=400$ and $T_B(80)=3125$