Stella and Nelli each ordered a new Ford F$-150$ truck. Stella's truck was black and had $4-$wheel drive and a toolbox from the factory. Nelli's truck was blue with standard $2-$wheel drive and the upgraded equipment package. Their trucks represent a $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$ product that was made using a $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$ process.

option$/$assemble$-$to$-$order $--$ flow shop

standard$/$make$-$to$-$stock $--$ continuous flow

option$/$assemble$-$to$-$order $--$ job shop

custom$/$make$-$to$-$order $--$ project