It costs Betty $1.50 to produce each bagel and $9000 per month in fixed costs. (a) Find the linear equation for total monthly cost, C, in terms of x, the number of bagels produced each month. (b) Find the linear equation for monthly revenue, R, in terms of x, the number of bagels sold each month. (c) How many bagels must be produced and sold to break-even? (d) What is Betty"s profit (loss) if she produces and sells 1600 bagels?