Ralph is contemplating whether to purchase the new technologically advanced Toaster-matic 2000. The Toaster-matic 2000 has the ability to toast eight slices of bread at the same time and butters the bread for you. This benefit is unheard of with any of the competing toasters. The Toaster-matic 2000 has 12 different levers and buttons that can be pushed; without the user manual even technologically advanced consumers could have problems figuring out how it works. Which of the following factors might slow the rate of diffusion of the Toaster-matic 2000? Risk Relative Advantage Communicability Compatibility Complexity