Explanation
Since Jim earns 8.60 per hour for 37.5 hours each week. His normal earnings for a week becomes,
[tex]earnings=8.60\times37.5=322.5\text{ dollars}[/tex]During the late shipment period, Jim had to earned an overtime payment at 1.5 times his regular rate. This means per overtime hour he would earn
[tex]1.5\times8.60=12.9[/tex]Therefore, for 4.5 hours for overtime, we will have;
[tex]12.9\times4.5=58.05\text{ dollars}[/tex]Hence, altogether, he would make;
[tex]322.5dollars+58.05dollars=380.55\text{ dollars}[/tex]Answer: 380.55 dollars