Starts out as 27,000 cm^3. then after one hour shrinks to 21,952 cm^3 and then 17,576cm^3 and so on. The ice is losing volume exponentially, there is no set rate. However it seems that you have said yourself it is losing volume at 2cm^3 per hour.
Lets say u have 1 coconut that cost 688.52 ad another 1 that cost 234.99 all you have to do is sale or buy an extra coconut to get 573.77 if that help dont forgot to drop me the brainlist