John began operating his own landscaping business as a teenager, learning about costs on day 1: lawnmowers require gas and oil, and they also require maintenance! In time, he used his experience to adjust his rate of pay to $17/ hour, to better cover his costs. He worked a total of 430 hours this year in his business and recognized expenses of $3,600. (a1) How much profit did John earn this year? Profit \$ (a2) Would part of his expenses include COGS/cost of sales? His expenses include COGS