Austin Aeronautics had $85,000 in cash at year-end 2014 and $255,000 in cash at year-end 2015. The firm sold property, plant, and equipment totaling $50,000. Cash flow from financing activities totaled +$30,000. a. What was the cash flow from operating activities? b. If accruals decreased by $25,000, receivables and inventories together increased by $120,000, and depreciation and amortization totaled $10,000, what was the firm's net income