calculation

1. please show tax forms and the document containing the computation of total tax, effective tax rate, and marginal tax rate in the tax form 1040
2.  please show tax forms and the document containing the computation of total tax (with and without the 1120) in the tax from 1120 and 1040
3. Here is the instruction. Please follow the instructions in the video carefully. https://youtu.be/gtMBJWNtzCs