You currently have $90,000 invested in shares and at the end of each year you save $3,000 from your wages to buy more shares, adding to your portfolio. If the shares' total expected return is 13% pa and all dividends are re- invested, calculate how many years it will take your share portfolio to reach $200,000. Round your answer up to the nearest year. Select one: O a. 5 years .b. 6 years OC. 7 years O d. 8 years O e. 9 years