In the Growth Model, We Assumed the Savings Rate Was $\bar { s } ; \bar { s } \times 3 \times u c$

In the growth model, we assumed the savings rate was given by ________, which is exogenous, but from the chapter on investment, we know it is equal to ________.

A) the saving rate; the growth rate of capital
B) $\bar { s } ; \bar { s } \times 3 \times u c$
C) $\bar { s } ; \frac { g _ { k } + \bar { d } } { 3 u c }$
D) a savings shock; $\bar { m } \bar { b }$
E) total factor productivity; $g _ { k } + \bar { d }$