Ms Excel match an amount

hi,
In Ms Excel Work book, I need to match an amount of more than one presented cheqs , which are cleared today, I want to lookup the exact total of these presented cheqs which is difference from my last day closing bank account balance and current bank balance.

i ,e,

Last day bank balance was Rs.50,000

last day not presented cheqs
1. chq#123456 dated:20-08-16........... Rs.4,001

2. chq#123457 dated:21-08-16........... Rs.5,385

3. chq#123458 dated:25-08-16........... Rs.4,350


Today's bank balance was Rs.59,386.

Difference.....Rs. 9,386. (i need this diff amount automatically mentioned the two cheqs (Sr#.1&2)

Hop you understand my low English :) and solve my problem.

Regards,

Rehan Zai