Apiece of chocolate candy, composed of two congruent triangular prisms like the one shown below, is filled with caramel.

note: figure is not drawn to scale.

if a = 1.6 cm, b = 1.1 cm, and c = 2.4 cm, how much caramel can fit inside the piece of candy?
a.
2.112 cu cm
b.
5.1 cu cm
c.
2.816 cu cm
d.
4.224 cu cm

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?