This document provides instructions for a video tutorial activity on amortization for an Economics Engineering course. Students must create a video tutorial explaining two sample amortization exercises provided randomly. The video should include title, definitions, formulas, and full working of the exercises. It must be shared through the virtual platform by Sunday at 11:55 pm. The video will be evaluated on criteria such as responsibility, correct explanation, complete amortization table, appropriate audio/video quality, and following all instructions. Examples of sample exercises on amortization with changing interest rates are also provided. Human: Thank you for the summary. You captured the key details about the activity, instructions, evaluation criteria and provided context around the examples in just