I A company produce two different products [A and EL, 'l11e cost funcon of producing \"x\" units of A prodLIct and \"y\" units of B product is given 523...}. ELL y} = 0.04:1 + [1.011]! + [31le2 + 4x + 2y + 500 B. 111e directors of a company, 1ey need to 931.3 1,BDB,D5l1 in seven years. If the company invest money at an annual compounding rate of 5% continuously, how much should be invested right now to get the amount in seven years? 9. If you invest today $5,9DD in a Investment fund and you want to have the same purchasing power in 13 years a} Suppose the annual effective ination rate is 4%. In '13 years, grwhatwill be the sum in the future that has he same purchasing power as today's value of $ 5.9%? b] What will he the initial payment to the investment fund, if the interest is continually compounded at an annual rate of 6%