Phrasal verb: "sell off" vs. "sell up"

[zagor]

English Language Tests, Intermediate level

ESL/EFL Test #208 "What Comes Next? (2)", question 7

If the situation's that bad I suggest ..........

(a) you sell in
(b) you sell up
(c) you sell on
(d) you sell off

English Language Tests, Intermediate level

ESL/EFL Test #208 "What Comes Next? (2)", answer 7

If the situation's that bad I suggest you sell up.

Correct answer: (b) you sell up

Your answer was: incorrect
If the situation's that bad I suggest you sell off.
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Hey there,
please explain the meanings of all these "sell" related pharasal verbs.
regards

zagor

[Alan]

Hi zagor,

Sell in would refer to selling in a particular place or market.
Sell up means sell all your stock/merchandise and close your business
Sell on means you are selling to the next person what the first person sold you
Sell off is to sell things often at a reduced price that you want to get rid of.

Alan
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English as a Second Language
You can read my ESL story Present Simple

[Acharyasd]

Hello Alan sir , Very well explained , I should have to write down in my notebook . Here are some sentences ,
1) Sell in Rs. 300 for a piece.
2) Sell up some of my shares as the stock market has gone up.
3) Sell on this computer system to him as we are getting brand new computer.
4) Sell of the property so that we can use the money for our new business .
Are these sentences correct Mr. Alan ? I'm waiting for your answer.
Thank you

[Acharyasd]

Oh my god my answer to question 7 is wrong . Then what about all these examples ?