Hii,

Interview is all about how you repesent your skills and qualities to the interviewer.

You can showcase this to the b-school by saying that how you have increased the sales of your shop within one year. For example you can say that I have opend the small buisness shop last year and within one year I have increased the sales from 0% to ----%. Or you can give other answer similar to this. This will show case your buisness development skills.