Please comment on the sentence, thanks.

Thanks for your revised contract. We discovered that on para 7.1 the currency should be in USD and we had amended for you.

We would like to pay 50% of the tour fee as deposit and the balance will be paid on arrival, please confirm your acceptance by return and we will make the payment ASAP.

Please arrange a spacious car for us as some of our group members are shutterbug, they have some gear for photography and need more space. Thanks