Find expressions for the Revenue, Cost, and Profit from selling x thousand items. Item Price Fixed Cost Variable Cost $3.00 $187,950 - 3x2 + 3480x - 100 R = 3000x; C = -3x2 + 3480x + 187,950; P = 3x2 - 3180x - 187,850 R = 3000x; C = -3x2 + 3480x + 187,850; P = 3x2 - 3180x - 187,850 R = 3000x C = -3x2 + 3480x + 187,850; P - 3x2 - 3180x - 187,950 R = 3000x; C = 3x2 + 3480x + 187,850, P = -3x+ - 3180x - 187,850