Olivia receives a gross salary of $4,000 for a week. Her company deducts $100 for medical premiums paid for Olivia's dependents. If Olivia also contributes $50 to charity, her payroll subject to income tax is _____.

a.$3,900

b.$4,000

c.$3,850

d.$3,950

The information contained in the payroll register is recorded in each employee's individual earnings record on:

a.each payday.

b.yearly basis, irrespective of period of payment.

c.quarterly basis, if salary is paid per month.

d.daily basis, if salary is paid per month.