2e Slide # 23 â¢The EUP calculations provide the denominator in the cost per EUP computation. Q2-Q4: Cost per Equivalent Unit â¢The numerator for the WA cost per EUP includes total costs (current costs plus the BI costs). â¢The numerator for the FIFO cost per EUP includes only current costs. â¢A cost per EUP is computed for each cost category. â¢The WA and FIFO methods use different numerators in the cost per EUP computation.