Val's submarine was 400 yards below the surface or the water at 4:00 p. m. By 8:00 p. m. it had risen 300 yards. If the surface of the water is 0, which integer represents where Val's submarine was at 8:00 p. m.

Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?