Assuming Pure Competition, Which of the Following Are Equivalents?
A) $\mathrm { MRP } L _ { 1 } / P _ { L } = \mathrm { MRP } _ { C } / P _ { C } \text { and } P _ { x } = 1 / \mathrm { MC }$

Multiple Choice

Assuming pure competition, which of the following are equivalents?

A) $\mathrm { MRP } L _ { 1 } / P _ { L } = \mathrm { MRP } _ { C } / P _ { C } \text { and } P _ { x } = 1 / \mathrm { MC }$
B) $\mathrm { MRP } _ { L }/ P _ { L } = \mathrm { MRP } C / P C \text { and } P _ { x } = \mathrm { AVC }$
C) $P _ { X } = \mathrm { MC } \text { and } \mathrm { MRP } _ { L } / P _ { L } = \mathrm { MRP } C / P C = 1$
D) $P _ { x } = \mathrm { MC } \text { and } \mathrm { MP } _ { L } / P _ { L } = M P _ { C } / P _ { C}$