What Does a Firm Typically Do When a Reciprocal Tax

What does a firm typically do when a reciprocal tax treaty is not in force?

A) pays one-third of the expatriate's income tax in the host country
B) pays one-half of the expatriate's income tax in the host country
C) pays the expatriate's income tax in the host country
D) requires the expatriate to pay his or her own income tax in the host country
E) pays the income tax for the employee in the home country