Choose the correct statement(s) about buffer capacity during titration of $N{H}_{4}OH$ with HCl:

Buffer capacity during titration first increases, then decreases.

Buffer capacity reaches to maximum at equivalence point.

Buffer capacity will increase if the concentration of $N{H}_{4}OH$ increases.

Buffer capacity value will remain same if strong acid HCl is replaced by $H_{2}S{O}_4$ of equal $\left[H_3{O}^{+}\right]$.