The Monster Beverage Corporation sells a number of different brands of energy drinks including Monster Energy$,$ Burn$,$ Full Throttle$,$ Mother$,$ NOS$,$ Predator$,$ Reign$,$ and Relentless$.$ By selling different brands of energy drinks, the Monster Beverage Corporation is using a $\_\_\_\_\_\_\_\_$ strategy.

Question $19$ options:

brand extension

line extension

new brands

multibrands