How do you say

I am going to buy a new sofa for the living room.

..in Chinese?

我打算买一个新的沙发,放在客厅里。

wǒ dǎ suàn mǎi yí gè xīn de shā fā , fàng zài kè tīng lǐ 。

How do you say "Your college is planning to offer a new course next semester." in Chinese?