Working Notes:
1. `{:("Category I: To applicants for 90,000 shares: 40,000 shares allotted",Rs.),("Application money received (90,000"xx"Rs.3)","2,70,000"),("Less: Application money adjusted on allotted shares (40,000"xx"Rs. 3)","1,20,000"),("Excess application money",bar(1,50,000)),("Less: Excess application money adjusted on allotment (40,000"xx"Rs.3)","1,20,000"),("Adjusted on first call (Calls-in-Advance)",bar(ul(ul(30,000)))) :}`
Category II: To applicants for 50,000 shares: 40,000 shares allotted
`{:(,Rs.),("Application money received (50,000"xx"Rs.3)","1,50,000"),("Less: Application money adjusted on allotted (40,000"xx"Rs.3)","1,20,000"),("Surplus application money adjusted on allotment",bar(ul(ul(30,000)))):}`
Total surplus application money adjusted on allotment = Rs. 1,20,000 (Category I) + Rs. 30,000 (Category II)
=Rs. 1,50,000.
2. Calculation of money due but not paid by Rishabh.
(a) No. of shares allotted to Rishabh (Category II) = `(40,000)/(50,000)xx 1,500 = 1,200 ` shares.
(b) `{:(,Rs.),("Application money received (1,500"xx"Rs.3)","4,500"),("Less: Application money required on allotted shares (1,200"xx"Rs.3)","3,600"),("Surplus application money adjusted on allotment",bar(ul(ul(" "900)))):}`
(c) Allotment money due (1,200`xx` Rs. 3 = Rs.3,600) but not received from Rishabh = Rs. 3,600 - Rs. 900 = Rs. 2,700.
(d) Amount not received on first call (1,200`xx` Rs.3) = Rs. 3,600.
(e) Amount not received on second call (1,200 `xx` Rs. 2) = Rs. 2,400.
3. Calculation of money due but not paid by Sudha:
(a) No. of shares allotted to Sudha (Category I ) = `(40,000)/(90,000) xx 1,500 ` = 800 shares.
(b)`{:(,Rs.),("Application money received (1,800"xx"Rs.3)","5,400"),("Less: Application money required on allotted shares (800"xx"Rs.3)","2,400"),("Excess application money received from Sudha",bar(3,000)),("Less: Excess application money adjusted on allotment(800"xx"Rs.3)","2,400"),("Surplus application money adjusted on first call",bar(ul(ul(" "600)))):}`
(c) First call money due but not received = (800`xx` Rs.3) - Rs. 600 = Rs. 1,800.
(d) Second and Final call money due but not received = 800 `xx` Rs. 2 = Rs. 1,600.