Net income was $520,000 in 2018, $452,400 in 2019, and $524,784 in 2020. What is the percentage of change from (a) 2018 to 2019, and (b) from 2019 to 2020? Is the change an increase or a decrease? (Enter negative amounts using either a negative sign preceding the number eg.-45 or parentheses eg. (45). Round percentages to 1 decimal place, eg. 12.3%) Increase or (Decrease) Amount Percentage (a) 2018-2019 % (b) 2019-2020 %