What is the standard deviation of a portfolio of two stocks given the following data: Stock A has a standard deviation of 30%. Stock B has a standard deviation of 18%. The portfolio contains 60% of stock A, and the correlation coefficient between the two stocks is -1.

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Oceanside marine company manufactures special metallic materials and decorative fittings for luxury yachts that require highly skilled labor. oceanside uses standard costs to prepare its flexible budget. for the first quarter of the year, direct materials and direct labor standards for one of their popular products were as follows: direct materials: 2 pound per unit; $ 11 per pound direct labor: 2 hours per unit; $ 19 per hour oceanside produced 2 comma 000 units during the quarter. at the end of the quarter, an examination of the direct materials records showed that the company used 7 comma 500 pounds of direct materials and actual total materials costs were $ 98 comma 100. what is the direct materials cost variance? (round any intermediate calculations to the nearest cent, and your final answer to the nearest dollar.)

Singer and mcmann are partners in a business. singer’s original capital was $40,000 and mcmann’s was $60,000. they agree to salaries of $12,000 and $18,000 for singer and mcmann respectively and 10% interest on original capital. if they agree to share remaining profits and losses on a 3: 2 ratio, what will mcmann’s share of the income be if the income for the year was $15,000?