Question:
Mr. Mark Taylor, a freelance graphic designer from Port Moresby, travelled to Goroka for a week-long project. During his stay, he incurred the following expenses: Airfare: K800 for a return ticket. Accommodation: K600 for the week. Meals: K500 for the week. Transportation within Goroka: K200. Mr. Taylor decided to travel to Mt Hagen for sightseeing after the week-long project, he missed his flight back, therefore, he was charged a penalty fee for K160. He stayed for night and further incurred additional costs for the accommodation and meal for K220.
Required:
(a) Calculate Mr. Taylor's allowable deduction for tax purposes.

(b) State your reason why it should be or should not be allowable deduction for tax purposes. ​