Are reserves & surplus and retained earnings the same? Also, what are other few names for other shareholders fund? And what does it mean by common stock?

Sir is the treatment for Dividend Distribution tax still applicable in Cost of Capital chapter?… And can such question be asked in the exam?

While calculating quick Ratio debtors are included or excluded?

For calculating RoE, why net worth is taken as base and not shareholders fund – preference capital, since net worth shall also include preference share capital and reserves and surplus? Also what does net worth consist of?

in question no. 1 of WCM on page 71.. total production is given 1200000 and FG by computation comes out to 200000 then why we r calcucalting debtors by assuming sales of 12000000 and not (1200000-200000=1000000)…??