Four of the Five Statements Below Contain a Stock and a Flow.Which

Four of the five statements below contain a stock and a flow.Which statement describes ONLY stock variables OR flow variables?

A) The Transit Authority of Mytown collects $22 000 in fares per day and has an operating budget of $2 million per year.
B) Country X spends an average of $1 million per year for flood relief and has an emergency services fund of $20 million.
C) The Canadian Federal government has a debt of approximately $450 billion and an annual deficit of over $25 billion dollars.
D) Nancy spends $400 per month on her credit card and has a balance owing of $2567.
E) Chris earns $1500 per month and has $4000 in his savings account at the bank.