Part X requires four processing steps on the sequence ABCD. The demand for this part is 3,000 units per year. The scrap rates are given as below: dA = 0.10, dB = 0.05, dC = 0.06, and dD = 0.05. How many parts does machine B need to meet the demand (roundup to integer)?
A. 2328 units
B. 2338 units
C. 2348 units
D. 2358 units
E. None of them