essa is employed as a structural engineer and uses her own car for site visits. She has not kept a log book or receipts for her expenses, but she has kept a diary record that shows she has travelled 6,690 kms doing site visits during the year. As her odometer is broken, she does not know the total number of kms she has travelled during the year. Tessa drives a Holden Rodeo Ute (Payload 1013 kg). How much can Tessa claim for her travel and why?