21.   The satellite Spartan, estimated to cost eight million dollars, will undertake to study the atmosphere of the sun.

22.   US authorities on Wednesday adopted new rules to fight telemarketing abuse and fraud which is estimated to cost Americans billions of dollars a year.

23.   South Korea is pressing to be able to supply the reactors, which are estimated to cost four billion dollars.

24.   South Korea and Japan are to be the principal financiers of the operation which has been estimated to cost four billion dollars.

25.   The project, estimated to cost around one million dollars, is being funded by the German government.