Barnes' Brothers has the following data for the year ending 12/31/07: Net income = $600; Net operating profit after taxes (NOPAT) = $700; Total assets = $2,500; Short-term investments = $200; Stockholders' equity = $1,800; Total debt = $700; and Total operating capital = $2,100. Barnes' weighted average cost of capital is 10%. What is its economic value added (EVA)?

Answer choices are:

a. $399.11

b. $420.11

c. $442.23

d. $465.50

e. $490.00