___________ is the difference between total output and investment (or savings)Percentage Change: Last year you were paid Php 470 per day as office employee. This year you received a Php 25 per hour raise. By what percentage did your rate increased?Percentage Change: Last year you were paid Php 470 per day as office employee. This year you received a Php 25 per hour raise. By what percentage did your rate increased? 18.8% 5.31% 5.05% None of the other choices Based on the percentage you got above. If the average inflation rate last year was 8%, are you better or worse off