Answer:
Step-by-step explanation:
a) Salaries and wages expenses $6,000
 To salary for wages payable $6,000
b) Interest Receivable a/c-d- $4,900
 To interest revenue $4900
Assets = Liabiliteies +stockholder equity
a) 0 = 6000 + (-6000)
 (No effect) (Increase) (Decrease)
 0 =6000 -6000
b) 4900 = 0 + 4900
 (no effect) (increase)