To be the basis of a firm's superior performance over competitors for an extended period of time, valuable and rare resources need to be:

Inimitable

Explanation: To be the basis of a firm's superior performance over competitors for an extended period of time, valuable and rare resources need to be inimitable. If the firms resources are valuable and inimitable then it will have an advantage over the competitors. The competitors will not be able to copy the product produced by the firms as it would be impossible to copy the resource.

answer; ///i believe the correct two answer are (1) paid in capital; and (2) earned   capital; good luck

answer; comparing the additional benefits and costs;