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

### Instruction:
Mr. Banks and Ms. Elizabeth are entrepreneurs who invest in different income streams and earn revenue from the investments. From each of his eight investments, Mr. Banks received $500 in revenue. Ms. Elizabeth also received $900 from each of her 5 investment streams. How much more money did Ms. Elizabeth make from her investments than Mr. Banks?

### Response:
 Bwana Banks alipata jumla ya $500*8 = $4000 kutoka katika uwekezaji wake wote.
Bi Elizabeth alipata jumla ya $900*5 = $4500 kutoka katika vyanzo vyake vyote vya uwekezaji,
Bi Elizabeth alipata $4500-$4000= $500 zaidi ya Bwana Banks kutoka katika uwekezaji wake.