$3\mathrm{.}1$ Define with examples where applicable each of the following accounting concepts$/$terms: $3\mathrm{.}1\mathrm{.}1$ Accounting $(3)3\mathrm{.}1\mathrm{.}2$ Current liability $(4)3\mathrm{.}1\mathrm{.}3$ Current asset $(4)3\mathrm{.}1\mathrm{.}4$ Net asset value $(3)3\mathrm{.}1\mathrm{.}5$ Accounting policy