Sally is performing her first ever gel manicure on a client. she has completed the basic nail preparation and is ready to apply the gel. what should sally do first? a. refine and smooth the top of the nail with an abrasive, taking care to avoid injuring the client’s skin b. apply one stroke of the pigmented gel on the apex (the highest point of the nail) to create a slight arch c. apply the base gel with a light stroke, from cuticle to free edge but not touching the skin d. brush on pigmented gel onto the fingernail surface, being sure to finish with a horizontal stroke to seal the free edge