(Reading 2.03/2.04, Writing 2.05/2.06, Numeracy 2.09/2.10/2.11)
All hours worked between 9am and 5pm are regular hours. All hours worked outside those times are overtime hours.
On 17 February, Mary started work at 9.30am and finished at 1pm.
On 18, 19 and 20 February, Mary started work at 2pm and worked until 5.30pm.
The following day, Mary started work at 8.30am and finished at 1pm.
Answer the following questions.