If an hourly employee is hired in an assembly plant and is paid more than the average employee,but is able to assemble products in less time than what is expected, what are the likely directlabor variances caused by this employee?

a- Unfavorable time variance and unfavorable rate variance b- Unfavorable time variance and favorable rate variance c- Favorable time variance and favorable rate variance d- Favorable time variance and unfavorable rate variance