please do all requirements

Tech Books, an online book retailer, has two operating departments-corporate sales and consumer sales and two support departments-human resources and information systems. Each sales department conducts merchandising and marketing operations independently. Tech Books uses number of employees to allocate human resources costs and processing time to allocate information systems costs. The following data are available for September 2020: Click the icon to view the data.) Read the requirements Requirement 1. Allocate the support departments' costs to the operating departments using the direct method. (Do not round intermediary calculations. Only round the amount you input in the input field to the nearest dollar. Use parentheses or a minus sign when decreasing departments by allocating costs. Enter a "O" for any zero balances. Abbreviations used: HR = Human resources; Info. = Information.) Support Departments Operating Departments HR Info Systems Corporate Consumer Total Costs incurred Allocation of HR costs Allocation of Info. System costs Total budgeted costs of operating departments Requirements 1. Allocate the support departments' costs to the operating departments using the direct method. 2. Rank the support departments based on the percentage of their services provided to other support departments. Use this ranking to allocate the support departments' costs to the operating departments based on the step-down method. 3. How could you have ranked the support departments differently? Data Table 1. B D E SUPPORT OPERATING DEPARTMENTS DEPARTMENTS Human Information Corporate Consumer Resources Systems Sales Sales $ 20,000 $ 240,000 $ 990,000 $ 500,000 2 Budgeted costs incurred before any 3 interdepartment cost allocations Support work supplied by human 4 resources department 5 Budgeted number of employees Support work supplied by Information 6 systems department Budgeted processing time (in 7 minutes) 20 48 32 400 0 2,500 2,100