помогите плиз подставить к тексту слова How much is it? I

Помогите плиз подставить к тексту слова How much is it? I want to buy a present. Can i have two, please? How can i help you? Here you are.How about.
A-Good morning. .................................................
B-Good morning. .................................................
A-....................................................this doll?
B-Thats a good idea. It looks beautiful..........................................
A-Its three thousand rubles.
B-Can i have a smaller doll?
A-............................................It costs 500 rubles
B-Good. Ill take it.Thank you,