Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
It's Mother's day, so mothers get a 10% discount on the department store. Mothers who have 3 children or more can get an additional 4% off the discounted price. If Mrs. Brown has 4 children and wants to buy a pair of shoes that costs $125, how much will she pay?

### Response:
 Bi. Brown ana punguzo la $125 x 10/100 = $12.50 kwa ununuzi wake.
Hivyo, jozi ya viatu inagharimu $125 - $12.50 = $112.50 kwa Bi. Brown.
Lakini Bi. Brown bado anaweza kupata punguzo la 5%, hivyo ununuzi wake jumla utakuwa $112.50 - $112.50 x 4/100 = $108.