Answer:
c
Step-by-step explanation:
A flow variable is a variable that is measured over a period in time
A stock variable is a variable that is measured at a point in time.
Budget deficit occurs when government spending exceeds income of the government.
Debt is the total amount owed by an entity
Budget deficit is a flow variable because it increases as debt increases Debt is measured at a point in time. It is a stock variable
When budget deficit increases, debt increases. This is because a deficit would need to be funded by additional borrowing