Quality of the Product 120 (1.2) * Market Price 571 * Production Last Month 2,067,007 = Products Sold Last Month 1,403.50M
Within a few bucks, what you see above is how things will work out. This only changes if you set your sell strat too low. If you set it high, it will effectively cap at the above formula. You will get identical results if you simply set your sell strat to "best price".
Your corporation is currently not profitable since it is new and needs time to upgrade your production process quality and effectivity. As those values increase, you will produce a higher quality product, which sells for more, and do so with less workers.
The reason your corps cash amount is currently increasing is because you are working through your initial stock of supplies. You currently have 5-6 months in stock of everything and very soon will need to place large orders for new stock. Your profit and loss calculatio