Solve the problems. The amount in Ebony's bank account B(d) is a function of the number of days d since she opened the account. The graph shows segments representing her day-by-day bank balance. Although there are no labeled tick marks on the graph, you can answer the questions by using the additional given information as well as your general knowledge of graphs of functions.

(b) Give an estimate to the nearest hundreds for B(0). explain how you determined your estimate and tell what B(0) means in the context of the situation.​