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

### Instruction:
Ping pong balls sell for $.10 each.  Johnny buys 10000 for a prank.  He gets a 30% discount for buying in such large bulk.  How much does he pay?

### Response:
 Bei ya kawaida: 10000*$.10=$<<10000*.10=1000>>1000.
Punguzo la 30%: $1000*.3=$<<1000*.3=300>>300.
Bei anayolipa: $1000-$300=$<<1000-300=700>>700.