Question $2(15$ points$)$: Consider a firm that spends $$1000$ to produce goods in period $1.$ In period $2,$ it sells half of these goods for $$750$ and collects payments one period later. The firm soliste, is s hin petied for another $$750$ and collects payments on these sales in period a$.$At which periods do the firms' accountants update the companies income statement? How does income and cash flow differ for this firm? Discuss in detail.