When Capital Depreciation Is Included in the Arbitrage Equation for Capital

When capital depreciation is included in the arbitrage equation for capital, the user cost of capital is given by:

A) $M P K + R + \bar { d }$
B) $R \cdot \bar { d } \div M P K$
C) $R + \bar { d } - \left( \Delta p _ { k } / p _ { k } \right)$
D) $R + \bar { d } - M P K$
E) $\bar { d } + \Delta p _ { s }$