1. Consider using the expenditure method to measure GDP. For the following, determine whether the transaction will affect "current" GDP, and if so, in which expenditure category to include it. Provide your explanation for each situation. (8%) (a) Households buying homes built in 2020. (b) The family buys a newly produced dishwasher. c) A farmer purchased a new tractor for agricultural activities. d) Persons with disabilities receive government transfers