Emilio's gross weekly earning would be $546.69
Since ;
Emilio earns $150 per week plus 38% commission
And;
He sells $1043.92 in one week
Then , weekly earning would be computed as;
Weekly earning = {base salary + (commission earned * Sales value in a week)}
Weekly earning = {$150 + (38% * 1043.92)}
Weekly earning = $150 + $396.6896
Weekly earning = $546.6896
It therefore means that Emilio's gross weekly earning is $546.69