According to the Solow model, an increase in depreciation rate has the following effects: a) Steady-state capital-labor ratio and steady-state output per labor decrease. b) Steady-state capital-labor ratio increases and steady-state output per labor decreases. c) Steady-state capital-labor ratio and steady-state output per labor increase. d) Steady-state capital-labor ratio decreases and steady-state output per labor increases.