The following data (in thousands of dollars) have been taken from the accounting records of karmint corporation for the just completed year: sales - $830; raw materials inventory, beginning - $50, raw materials inventory, ending - $40; purchases of raw materials - $150; direct labor - $140: manufacturing overhead - $160; administrative expenses - $120; selling expenses - $150; work in process inventory, beginning - $30; work in process inventory, ending - $50; finished goods inventory, beginning - $80; finished goods inventory, ending - $100.the cost of goods manufactured (finished) for the year (in thousand of dollars) was: a) $480.b) $490.c) $440.d) $510.

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i.e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i.e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.