Stephanie Adlers is a director at Boom Investment Limited. Her basic salary per annum is $4 million. She receives foreign traveling allowance of $500,000 per annum. She received motor vehicle upkeep of $80,000 per month. She also received home owner’s allowance of $100,000 per month. The company provides all workers with meal vouchers and workers use these vouchers to minimize the cost of their meals. One worker said that she saved up to $10,000 per month when she uses the vouchers. Stephanie invested in Pan America Company by purchasing shares in this company. Pan America Company is quoted on the stock exchange: Pan America Company declared a dividend in 2021 and Stephanie received $420,000. She travels to the United States twice per year to meet with potential investors and uses the opportunity to visit with her son who is studying medicine at a university in the U.S.: Boom Investment Limited pays her son's tuition directly to the university. The fees for 2021 were $1.5 million.

Compute Stephen's income tax liability for the year 2021.