A mathematics application problem is urgent! Xiao Liang's house painted the room and finished it after 10 days; he used 150 liters of certain paint, and the paint cost was 4800 yuan; the painting area was 130 square meters, and the final settlement of the payment was as follows: 1. According to the work, each worker was 30 yuan (one worker worked a day); 2. According to the paint cost, 30% of the paint cost was used as the payment; 3. According to the painting area, Pay 12 yuan per square meter. Which plan do you think is the most economical--

A mathematics application problem is urgent! Xiao Liang's house painted the room and finished it after 10 days; he used 150 liters of certain paint, and the paint cost was 4800 yuan; the painting area was 130 square meters, and the final settlement of the payment was as follows: 1. According to the work, each worker was 30 yuan (one worker worked a day); 2. According to the paint cost, 30% of the paint cost was used as the payment; 3. According to the painting area, Pay 12 yuan per square meter. Which plan do you think is the most economical--

1. According to work: 10 × 30 = 300 (yuan)
2. According to the cost of coating: 4800 × 30% = 1440 (yuan)
3. According to the painting area: 130 × 12 = 1560 (yuan)
A: according to the work, it saves the most money