Mrjohnson, the managing director of Brilliant Buys, wants to plot the cumulative sales figures for...

Rises until it reaches sales of £900,000 or less on the x axis, then declines

Rises until it reaches halfway between sales of £700,000 and £900,000 on the x axis, then declines

Rises until it reaches 43 stores on they axis, then declines

Rises until it reaches 43 stores on the x axis, then declines