A single$-$phase, $240-$volt, residential central air$-$conditioning unit has a compressor with an RLC of $28\mathrm{.}9$ amps $,$ and a $\frac{1}{4}hp$ fan. The nameplate shows that the blower fan has an FLA of $1\mathrm{.}7$ amps $,$ the minimum circuit ampacity is $37\mathrm{.}9$ amps $,$ and the maximum fuse or circuit breaker size is $60$ amps $.$ The minimum size Romex ${?}^{o.}($NM Cable$)$ that can be installed to the unit is $q,$ AWG. The cable conductors have THHN$/$THWN insulation.

a$.10$

b$.6$

c$.12$

d$.8$

e$.4$