Tan and susan, two calendar year taxpayers, are starting a new business to manufacture and sell digital circuits. they intend to incorporate the business with $600,000 of their own capital and $2 million of equity capital obtained from other investors. the company expects to incur organizational and start-up expenditures of $100,000 in the first year. inventories are a material income-producing factor. the company also expects to incur losses of $500,000 in the first two years of operations and substantial research and development expenses during the first three years. the company expects to break even in the third year and be profitable at the end of the fourth year, even though the nature of the digital circuit business will require continual research and development activities. what accounting methods and tax elections must stan and susan consider in their first year of operation? for each method and election, explain the possible alternatives and the advantages and disadvantages of each alternative.