Prośba o sprawdzenie poprawności zdań

1.) We are experiencing an increase in unemployment and a decrease (no właśnie czy tutaj poprawnej będzie decrease czy fall ?) in salaries.

2.) We had to decrease on hire because of finnancial difficulties.

1.) We are experiencing an increase in unemployment and a decrease in salaries.
2.) We had to decrease 'on hire' (tego nie rozumiem) because of finnancial difficulties.