question #2, answer is $396,000, need to figure out how the answer is $396,000

Austin Boston Corporation's balance sheet for last year is presented below: Cash Accounts eceivable Inventory Fixed assets $ 400,000 2,000,000 3,000,000 600,000 Accounts payable Notes payable Mortgage Common stock Retained earnings $1,500 1,000 2,500 2,500 1500 Total liabilitics Total assets $9,000,000 and equity $9,000 Sales last year were $10,000,000 and they are expected to increase by 20 percent year. Net profit margin is forecasted to be 8 percent. Austin Boston plans to pay dividends of 60%. Management expects that the sales increase can be handled by existing fixed assets. How much external funds does Austin Boston need next yea Investment A has the following probability distribution of expected future returns Probability Expected ReturnO1*. +o. 0.1S (10%) 5% 8% 10% 15% 0.1 0.2 0.2 0.1 e .. Investment A is 6.7%, what is the standard deviation