ty for the welcome but still didnt got a satisfactory answer

hi i am new to bitcoins and started trading with some free coins i had some one gifted me i want to know how to calculate the profit and loss of my trade - the fees for example if i buy doge at .00035 and sell at .00040 what is gona be my profit or loss how it is calculated including the fees of the exchange hope i explain my self i have asked that from few people didnt got a good answer do reply with the formula for that or any website that calculate that for you do post a formula how to calculate that even if you have a website to post ty