Complete Problems 11.21, 11.23, and 11.25 in the textbook.Complete Problems 12.3, 12.7, 12.9, 12.19, and 12.21 in the textbook.Complete Problems 13.3 and 13.50 in the textbook.Submit one Excel file fo

Complete Problems 11.21, 11.23, and 11.25 in the textbook.

Complete Problems 12.3, 12.7, 12.9, 12.19, and 12.21 in the textbook.

Complete Problems 13.3 and 13.50 in the textbook.

Submit one Excel file for each problem set (attached). Put each problem result on a separate sheet in your file. 

You are required to show all of your work/formulas to receive credit for the assignments. Failure to show your work/formulas will negatively affect your grade. (Sample attached)