Which of the following models of valuing human resources advocates that a person generates value for an organization as he or she occupies and plays different roles and renders services to the organization?

A$.$ Hermanson's model

B$.$ Jaggi and Lau model

C$.$ Lev and Schwartz model

D$.$ Stochastic reward valuation model

Costs such as moving, loss of productivity of the employee and their co$-$workers prior to separation, cost of carrying vacancy until a suitable replace, associated with moving the existing position holders either out of the organization or to new positions within the organization are examined under which of the following monetary methods of accounting for human resources?

A$.$ Competitive bid price

B$.$ Current purchasing power

C$.$ Individual replacement cost

D$.$ Position replacement cost