harrow seed and fertilizer has compiled the following estimates for operations.sales $189000, fixed costs $40600, total variable costs 46600, net income$101800, capacity is a sales volume of $219000.(a) find the equation for the revenue function.( the format of this equation must be TR=X).(b) find the per dollar factor.(c) find the equation for the cost function.(d) compute the contribution rate.(e) compute the contribution margin as a decimal value.(f) compute the break even point in sales dollars.(g) compute the break even point as a percent of capacity