Which of the following is a common reason given for filling lower$-$ and middle$-$level management jobs with host$-$country nationals $($HCNs$)?$

They do not dilute the multinational$$s control over foreign operations

HCNs have a superior grasp of the local culture, business practices, and language

HCNs are more expensive to employ because they expect higher salaries

"Going local" to staff foreign operations can bring public relations problems in the home country