Over the last year, $1,000$ injections were administered at a clinic. Quality is measured by the proper amount of dosage as well as the correct drug. In $10$ instances, the incorrect amount was given, and in $4$ cases, the wrong drug was given. What sigma level does it correspond to$?$

a$.2\mathrm{.}96$ Sigma Level

b$.3\mathrm{.}46$ Sigma Level

c$.3\mathrm{.}96$ Sigma Level

d$.4\mathrm{.}46$ Sigma Level

e$.4\mathrm{.}96$ Sigma Level