Chapter 121 I'll give you a discount, 0.0046 discount!

"Ah, what did you say?"

Fortunately, Lily didn't hear clearly, Lucas realized that he was distracted and quickly said:

"How much water can you save by doing this? How much money can you save in a month?"

Lily answered seriously:

"If you talk about a month, then you certainly won't save much, but little by little, according to the accumulation of sand into towers, it's different if we calculate it for a lifetime!"

Lucas asked persistently:

"Then calculate for me, how much money can be saved in a lifetime?"

Lily put down the bucket in her hand, wiped the sweat from her forehead, and began to demonstrate her mental arithmetic skills.

She calculated while muttering:

"I can save $15 on water bills on average each month recently, that's $180 a year,

if I can still live for another 50 years from now, that's... $9000!"

Lily emphasized the number 9000 loudly, obviously, this number gave her a great surprise,

her little face bl