I'm pretty sure it's D. Provide discount software for the underprivileged.
Answer:
A fixed expense is an expense that has a constant total expense value (the total amount of the fixed expense) that remains the same (does not change) when there is a change in the number being managed, manufactured, or sold
Examples of fixed expense includes; depreciation of assets, salaries of workers, payment for rental lease, and some utility payment, such as road users toll fees payment at a toll gate
Explanation:
Heres some:
Quantum computing
Machine Learning
Medicine
Aeronautical Engineering (Drones, better transportation)
Network, because network is something that connects an amount of tech to a source that could be shared to others.