An employee decided to invest in a trust fund which gives an interest rate of 2% compounded quarterly. Employee's monthly salary is $70,000 and decided to invest 10% of her salary per month in the fund for 4 years. On the 5th year, the employee got promoted and her salary was increased to P100,000. She continued to invest the same percentage of her salary to the fund for 7 more years until she retires. QUESTION: After her retirement, she receives a monthly pension of P10,000, one month after her last payment. This pension is made to be forever, what will be the equivalent present worth of the said pension? O P402,147.81 P500,832.41 P4,825,773.72 O P6,009,988.92