Alex registered his sole proprietorship business on 1 January 2022 and has a 31 December year end. Alex managed to secure his first deal on 1 December 2021 and he was paid on 31 December 2021. Alex incurred the following expenses from 1 January 2022 to 31 December 2022: $ Registration costs 2,000 Office rental 48,000 Interest on late Central Provident Fund (CPF) payment 1,000 What is the total tax deduction which Alex can claim in the year of assessment 2023 for the expenses incurred during the financial year ended 31 December