A dishonest shopkeeper uses a weight of 900 gm instead of 1 kg and sells 1 kg pulses at its cost price. What will be his profit percentage on selling 10 kg pulses?

A

$$1\frac{100}{9}\%$$

B

$$\frac{100}{9}\%$$

C

$$\frac{10}{9}\%$$

D

$$1\frac{10}{9}\%$$