In an acceptance sampling plan developed for lots containing $1000$ units the sample size $($n$)$ is $85.$ The percent defective of the

incoming lot is $2\%$ and the probability of acceptance is $0\mathrm{.}64.$ What is the AOQ?

a$)11\mathrm{.}7\%$

b$)0\mathrm{.}12\%$

c$)1\mathrm{.}2\%$

d$)12\%$