Acompanies profit motive‘s benefit customers by ensuring the product and services they need are available at a high-quality what is this describing

a. laissez faire
b. the invisible hand
c. mixed economy
d. private enterprise

If a bond is issued at a premium the effective interest rate is most likely

Darlene has a balance of 3980 on a credit card with an apr of 22.8% paying off her balance and which of these lengths of time will result in her paying the least amount of interest?

(30 total points) suppose a firm’s production function is given by q = l1/2*k1/2. the marginal product of labor and the marginal product of capital are given by: mpl = 1/ 2 1/ 2 2l k , and mpk = 1/ 2 1/ 2 2k l . a) (12 points) if the price of labor is w = 48, and the price of capital is r = 12, how much labor and capital should the firm hire in order to minimize the cost of production if the firm wants to produce output q = 18?