The population growth is generally described by the following equation: $ \large\frac{dn}{dt} =rN\bigg[\large\frac{K-N}{K}\bigg]$ . What does "K" represent in the given equation ?

Question

$\begin{array}{1 1}\text{a. Population density at time ‘t’ } \\ \text{b.Intrinsic rate of natural increase.} \\ \text{c. Carrying capacity} \\ \text{d.The base of natural logarithm.} \end{array} $