Important me which is the correct net of the prism and what is the surface area of the prism? net a with 540 square inches net a with 600 square inches net b with 512 square inches net b with 672 square inches

Abank manager wants to encourage new customers to open accounts with principals of at least $2,500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?