This is an exercise in model building, based on the idea that one better understands the concept of models when faced with the task of making them.a. Construct a block diagram showing how different levels of governments interact with taxpayers and with each other in a federal state like Canada. Indicate with arrows what they exchange with each other. Identify the main elements of your model.b. Describe your model in a few sentences.c. What makes your description to be a model, instead of an accurate picture of the Canadian