On January 1, 2019, Phoenix Corporation adopts a performance-based share option plan for 25 executives, with the number of shares based on the yearly increase in sales. At the end of 2019, based on a 10% increase in sales, it expects that each executive will be granted 150 options and that the fair value of an option expected to vest is $15.75. Phoenix expects a turnover rate of 15% over the 3-year service period. Determine the compensation expense for 2019 for this plan.