How to Calculate Catagorywise

[tariqnaz2005]

Hello Dears,

I have column A1:A4 and B1:b4. I want to calculate as following if some one help me it will be appreciated:-

A B
1. Michle 25000
2. Devid 2500
3. Michle 10000
4. Devid 2500

SUMMARY
Michle: 35000
Devid : 5000

Please help me and give me a forumla..thanks

[martindwilson]

=sumif(a1:a4,"michle",b1:b4)