This is a Quantitative Course.

Please explain how to solve this question in detail without using excel.

Question 35 Not yet answered Marked out of 1.50 A firm specializes in recommending investment portfolios for a client. The client has $3 million available for investment. Data on 7 companies including expected annual return on investment (ROI) and investment cost is provided in the table below. The objective to select companies to invest in so that ROI is maximized. In selecting the investment portfolio, the following conditions must be met: (1) at least two companies in Jeddah must be selected, (2) no more than one investment can be made in foreign companies, (3) invest in only one of two companies in Dhahran. Expected Annual Investment Cost Company Return ($1000's) ($1000's) P Flag question A (Jeddah) 50 470 B (London) 80 530 C (Amsterdam) 90 690 W D (Jeddah) 120 1010 110 715 E (Jeddah) F (Dhahran) G (Dhahran) 40 520 75 890 If the optimal solution is investing in all companies except A, B and G, the remaining available investment capital ($1000's) is: Select one: O a. 1110 O b. 75 O C. 65