Your question asks what innovation Dollar Shave Club is using to disrupt the existing market they're currently in.
The reason why answer choice "C. Business model innovation" would be the correct answer is because this is what Dollar Shave Club is doing to get business.
With their business model, they're showing customers that even though there are many other shaving brands out there, they should choose them because of what they're offering to its customers.
Their business model is a $5 monthly subscription that sends the customer a package of shaving goods, while other shaving companies aren't doing what they're doing.
With their subscription, they're showing customers that they should choose their business out of the other shaving businesses out there.
