This document outlines the costs and profits of producing and selling butter spreaders and butter in various quantities. It shows that the production cost of a butter spreader is £0.70 but it retails for £1.70, yielding a £1 profit. Single butter portions cost £0.30 to produce but sell for £0.80, giving £0.50 profit. Selling butter spreaders and one of each butter item in all 1000 Tesco stores would yield a total weekly profit of £2.40 and annual profit of £1,040,000.