Answer and Explanation:
The journal entries are shown below:
a.
Salaries expense $9,840 (16400 ÷ 5 × 3)
To Salaries payable $9,840
(Being salaries expense is recorded)
Here salaries expense is debited as it increased the expense and credited the salaries payable as it increased the liability
b.
Salaries expense $13,120 (16400 ÷ 5 × 4)
To Salaries payable $13,120
(Being salaries expense is recorded)
Here salaries expense is debited as it increased the expense and credited the salaries payable as it increased the liability