Suppose the firm currently employs 500 workers and 100 units of capital and that the following relationship holds: mpl/w= 12/3=4 and mpk/c= 15/3=5. mpl and mpk are the marginal products of labor and capital, respectively. w is wage and c is the per unit cost of capital. prove that the firm is not at an equilibrium mix of labor and capital by clearly explaining how there is an opportunity to produce more of the good it is producing now at the same cost.

Your mother's well-diversified portfolio has an expected return of 12.0% and a beta of 1.20. she is in the process of buying 100 shares of safety corp. at $10 a share and adding it to her portfolio. safety has an expected return of 15.0% and a beta of 2.00. the total value of your current portfolio is $9,000. what will the expected return and beta on the portfolio be after the purchase of the safety stock?

Tri fecta, a partnership, had revenues of $369,000 in its first year of operations. the partnership has not collected on $45,000 of its sales and still owes $39,500 on $155,000 of merchandise it purchased. there was no inventory on hand at the end of the year. the partnership paid $27,000 in salaries. the partners invested $48,000 in the business and $23,000 was borrowed on a five-year note. the partnership paid $2,070 in interest that was the amount owed for the year and paid $9,500 for a two-year insurance policy on the first day of business. compute net income for the first year for tri fecta.

What percentage of hard rock's profit is derived from retail shop sales?