5) For plant expansion, a communication company wishes to accumulate P50 M by investing equal amount each semi-annual for 50 years. If money is worth 20% nominal, how much must be invested semi-annually? a) 3. 205. 616.80 b) P 2, 750, 605.80 ) 3. 416, 205.90 d) P 2, 509, 815.80