Directions (1-5): Study the following bar graph carefully and answer the questions given below. The bar graph shows the number of heaters sold by six shops—P, Q, R, X, Y and Z—during a particular month.

Find the total number of heaters sold by shops P and X together.
- AOption (a)
560
- BOption (b)
580
- COption (c)
600
- DOption (d)
620
- EOption (e)
640
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Correct answer
560