I need an explanation on how to do this question

A partial financial plan for Blatt Inc. is shown below. Blatt pays 10% interest on all of its debt and is subject to a total effective tax rate of 50% Income Statement Balance Sheet Next Year This year Next year EBIT $300 Assets $600 $900 Interest (10%) Current EBT Liabilities $100 $200 Tax (50%) Debt 200 Net income Equity 300 Total $600 $900 Complete the forecast developing consistent debt and interest figures for next year