Jake and zach are identical twins who attended grammar school through college together. jake took a job as an engineer who does not have to travel out of the state. zach took a job as an engineer who must travel out of state once a week. jake earns $125,000 a year, and zach earns $155,000 a year. select the best explanation for this wage difference.
the difference is about travel expenses
Due to the fact that Zach must travel out of his state once a week, surely he should have extra expenses such as transportation, a place to stay, insurance expenses, food and others. This is why his salary is higher than Jake´s who does not have to travel out of the state.