Mary, a farm employee, occasionally leaves her personal car at home and uses the farm's pickup truck for personal reasons, such as going to the grocery store or to a restaurant. The farm has only minimum limits of liability insurance while Mary carries much higher liability limits$.$ What endorsement would her insurance agent likely recommend Mary add to her personal auto policy?

$($Search Chapter $3)$

a$.$ Extended Non$-$Owned Coverage$-$Vehicles Furnished or Available for Regular Use endorsement

b$.$ Named Non$-$Owner Coverage endorsement

c$.$ Miscellaneous Type Vehicle Endorsement

d$.$ Single Liability Limit endorsement