Which of the following is NOT necessarily true of a firm that has minimized the costs of producing its chosen level of output? (The firm always uses positive quantities of both capital and labor O a. MP/W-MP/. Ob. [dk/dl/-w/r. OC MPLL MPKK-Q. Od. MRTS (of L for K-w/r. Oe. MPL/MPK-w/r.
