1.When (for what type of preferences) is MRS%?constant?

2.Most consumers in Ontario choose between electricity (costing 9c per kWh) and natural gas (costing 12c perm³) to heat their homes. After criticism over rapid price increases, Ontario is providing residents with an8%rebate on electricity rates. Draw the budget constraints for Ontarions before and after this price change. Be sure to label the diagram fully (axes, intercepts and slope).