質問: how do you say this in japanese? i want to buy it (こちらは購入希望ですが) with extra protection (硬化ケース補強希望). please help me change the price. how do you say this in japanese? i want to buy it (こちらは購入希望ですが) with extra protection (硬化ケース補強希望). please help me change the price.
回答: i want to buy it with extra protection . →保護ケース(protective case)付きでこの商品を購入したいです。 please help me change the price. →値段はいくらになりますか?(how much will the price be changed?)