The relationship between value and price is important to a company. Which of the following accurately captures value and price in this scenario?

a$.$ The market defines the $$500$ million amount Toyota invested in Uber, while Uber defines the investment's value to Toyota.

b$.$ Toyota, as the "customer," defines the $$500$ million amount $($or price$)$ it invested in Uber, while Uber defines the investment's value to Toyota.

c$.$ Neither price nor value are applicable in this investment scenario.

d$.$ Value is defined as what Toyota receives from its investment of $$500$ million. The "price" of $$500$ million is the amount Uber decided to "charge" for sharing the technology.