12 Chang Company is trying to determine how often it needs to deposit payroll taxes for calendar year 2021. The company made the following quarterly payroll tax deposits during the last two years: 7 points Skipped eBook References Quarter beginning January 1, 2019 Quarter beginning April 1, 2019 Quarter beginning July 1, 2019. Quarter beginning October 1, 2019 Quarter beginning January 1, 2020 Quarter beginning April 1, 2020 Quarter beginning July 1, 2020 Quarter beginning October 1, 2020 $ 10,800 10,800 10,350 12,750 12,750 12,750 10,350 12,750 Required: a. What is the amount from the lookback period? Amount from lookback period b. In 2021, how often must Chang Company make payroll deposits? Bi-weekly Monthly Quarterly Half yearly Annually