(a) (4 marks)J&Bis interested in understanding their finances before and after each event.Their fixed costs are $20 for 20kg of sugar and $150 to rent the stall at the event. They calculate that the remaining costs are per cupcake of $1.If the selling price is $6.50 per cupcake then find the number of cupcakesthat need to be sold soJ&Bbreak even.

(b) (4 marks)IfJ&Bsells all 78 cupcakes then find the amount of net profit or loss, assuming the fixed and variable costs remain the same as in (a) and each cupcake is sold for $6.50.

(break even question)