Profit calculator

price for 1L of ice-cream mass	PLN	degree of aeration of ice-cream	%
amount of ice-cream portions that can be produced from 1L of ice-cream mass			L
size of 1 ice-cream	ml	cost of 1 ice-cream's production	PLN
sale price of 1 ice-cream	PLN	profit from 1 ice-cream's portion	PLN
amount of sold portions p/day		profit from the sold ice-cream	PLN
no. of days ice-cream are sold p/week		profit from no. of days p/week	PLN
no. of months ice-cream are sold		profit from the no. of months	PLN