Cash sales 500000 - 30% receivable - 15% will collect in next first year - 30% will collect in next second year calculate receivable in third year ?

Receivable : 30% X500,000        = 150000

First year's collection                 = 15%  X150000 =7500   BALANCE:142500

2ND YEARS COLLECTION          =  30% X142500 =42750  BALANCE99750/-

BALANCE FOR THE3RD YEAR  = 99750

[Question require a little more clarity to interpret the exact meaning]

I AGREE WITH MR VENKITARAMAN ANSWER  

this is cash sale dude there are no receivable .........................