Business law question but there is no slot for law so i chose accounting ... but its business law

QUESTION 4 Oko and his wife Jemima have been married for 4 years and have a son. On 16th January, 2020, Oko agrees with Jemima to give her an extra GHC500 as housekeeping allowance every term if she picks up their son Ashalley from nursery school every afternoon at 2pm when school is in session. Jemima dutifully picks up Ashalley from school every afternoon for the first term but Oko has refused to pay her the GHC500 as agreed. Jemima is contemplating legal action against Oko. A. Advise Jemima. (15 marks) B. Would your answer above be different if Oko and Jemima were separated