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

### Instruction:
 Chester anapaswa kusafirisha bales kumi za majani kwa Mkulima Brown. Mkulima Brown anataka Chester kutoa majani bora zaidi na mara mbili ya idadi ya bales ya majani. Ikiwa majani ya awali yaligharimu $15 kwa kila bale, na majani bora zaidi yanagharimu $18 kwa kila bale, Mkulima Brown atahitaji pesa ngapi zaidi ili kukidhi mahitaji yake mapya?


### Response:
 Kukidhi mahitaji ya awali, Chester angebeba bales 10 za majani kwa $15 kwa kila bale, jumla ya 10 * 15 = $<<10*15=150>>150.
Kukidhi idadi iliyozidi, Chester angehitaji kubeba bales 10 * 2 = <<10*2=20>>20 za majani.
Ikiwa majani bora zaidi yanagharimu $18 kwa kila bale, bales 20 zingegharimu 18 * 20 = $<<18*20=360>>360.
Kuongeza ubora, Mkulima Brown atahitaji kulipa $360 - $150 = $<<360-150=210>>210 zaidi.