Huolong’s CIMA

I don’t understand how the following formula is derived:
Min. level = Reorder level - (average lead time X average usage).
But, as I would think, a minimum level of stock is a level at which a reorder must be placed so that the reorder can arrive just in time to replenish a stock level to last […]

The question was whether I should count a discount offered from a supplier for an early cash payment as something against the purchase price of a group of commodity items. The answer is No.
Instead, according to Paper C1, it should be regarded as a financial transaction item, not a trading account item and therefore […]