According to paragraph $16$ of NZ IAS $21,$ the essential feature of a $\_\_\_\_\_\_\_\_\_\_\_\_\_$ is the absence of right to receive $($or an obligation to deliver$)$ a fixed or determinable number of units of currency.

a$.$

monetary item

b$.$

None of the given answers are correct.

c$.$

non$-$monetary item

d$.$

debt instrument