How do you forecast the following? for example, I have data up on years 2016 to 2020, how do I forecast 2021 upwards?

7 8 CHANGES IN OPERATING WORKING CAPITAL 9 0 Cash and cash equivalents 31 Accounts receivable 32 Inventories 33 Prepaid expenses and other current assets 34 Trade Payables 35 Accrued Expense 36 Total Debts 37 Capital Expenditures 38 39 Accounts receivable Growth % 40 Inventories Growth % 41 42 43 Prepaid expenses and other current assets Growth % Trade Payables Growth % Accrued Expense Growth % Total Debts Growth % Capital Expenditures Growth % 44 45 46 7 8 CHANGES IN OPERATING WORKING CAPITAL 9 0 Cash and cash equivalents 31 Accounts receivable 32 Inventories 33 Prepaid expenses and other current assets 34 Trade Payables 35 Accrued Expense 36 Total Debts 37 Capital Expenditures 38 39 Accounts receivable Growth % 40 Inventories Growth % 41 42 43 Prepaid expenses and other current assets Growth % Trade Payables Growth % Accrued Expense Growth % Total Debts Growth % Capital Expenditures Growth % 44 45 46