An engineer invested in consulting company. The capital cost was $30,000. His plan was to sell the company after 9 years. The running cost was $4,500 per year and the income was $7500 per year except for year 4 where he paid from company pocket $25,000. The capital cost was taken from a bank. The annual interest rate is 5%. a. Find the future worth that is feasible for him if he sells the company at the end of year