market share
total sales of business \ total sales in the market X100
PED
% change in QD / % change in price
YED
% change in QD / % change in income
unit cost
total cost / no of units
added value
selling price - cost of materials
mark up £
selling price - cost
market growth
change in market size / original market size X100
total added value
revenue - total cost of material
mark up %
mark up £ / unit costs X100