Questão de Inglês

Read the following passage and answer the question. "By the end of next year, the city **will have implemented** a digital platform that streamlines citizen requests. The platform, which **was developed** by a private firm, **is expected** to reduce processing time by 30 percent. If the platform **is adopted** widely, the municipal budget **could be saved** significantly." Which verb form in the passage correctly represents a future perfect tense?