Question 13 1 pts The Black Death in the fourteenth century decimated European populations and workforces by up to 50 percent. Assuming that the capital stock was unaffected (i.e. you can assume that K was constant), use the model of production to predict the effect of such a decline in the number of workers on output, output per worker, the marginal product of labor, and the marginal product of capital. Select all the correct answers below. O Total GDP (Y) falls. O The marginal product of capital rises. O The marginal product of labor rises. O Wages fall. O GDP per worker ( + = y) stays constant since both Y and L are falling