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

### Instruction:
John pays for a candy bar with 4 quarters, 3 dimes, and a nickel.  He got 4 cents back in change.  How many cents did the candy bar cost?

### Response:
 Alitoa robo 4 ambazo ni $0.25 kila moja hivyo ni 4*0.25 = $<<4*0.25=1>>1
Alitoa dimu 3 ambazo ni $0.10 kila moja hivyo ni 3*0.10 = $<<3*0.10=0.30>>0.30
Robo, dimu na senti zilizochangia ni $1.35 na alipata senti 4 kama mabadiliko jumla ya $1.35- 4 = $1.31