5. A store first increases the price of color TVs by $40 \%$, then writes in the advertisement "Grand Sale, 20% off", as a result, each TV earns 270 yuan more than the original price. Therefore, the original price of each TV should be ( ) yuan.
(A) 2150
(B) 2200
(C) 2250
(D) 2300
5. C (Let the original price of each TV be $x$ yuan. According to the problem, we have $\frac{140 x}{100} \cdot \frac{80}{100}-x=$ 270.)