Columbia products produced and sold 1,200 units of the company’s only product in march. you have collected the following information from the accounting records:

sales price (per unit) $125
manufacturing costs:
fixed overhead (for the month) 18,200
direct labor (per unit) 10
direct materials (per unit) 34
variable overhead (per unit) 26
marketing and administrative costs:
fixed costs (for the month) 19,500
variable costs (per unit) 5

compute the following:
(1) variable manufacturing cost per unit.
(2) full cost per unit.

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%.