Yi Anguo thought for a moment and felt that Yi Haiyang still made sense. It's indeed not easy to accurately calculate the cost price now, as a batch of samples has just been trial-produced.
And determining the cost of a product involves many pricing factors, plus the cost of raw material purchases will certainly vary, easily influenced by the market.
The price of anything will be affected by the market, causing fluctuations. Even long-term suppliers can't guarantee stable supply prices, at most, they can only promise that the price will not fluctuate due to market factors for a certain period.
Similarly, merchants also need to adjust prices according to market changes when selling products; they cannot maintain the same price indefinitely, neither increasing nor decreasing, which is impossible to achieve.
