Symboleo is a formal language used to specify legal contracts.



Given the above information, please provide a Symboleo specification (compliant with the language grammar) for the following natural language contract: 
i) The customer orders a computer from a store, to be delivered within 7 days; 
ii) The customer agrees to pay a deposit worth between 15% and 20% of the computer price, on the same day; 
iii) The customer agrees to pay the remaining amount of the computer price within 10 days of delivery; 
iv) If delivery is late, the customer has the option (power) to cancel the contract or get a 5% reduction on the original price and pay within 10 days of delivery.

