paul brennen has a look at thens thes. >> there are several u.n.esolutions already passed and the u. n. committee which is meeting on thursday, has already imposed sanctions on 243 individuals. the sanctions including travel bans and asset freezing. but understanding how isil and the front finance their activities is crucial to making these sanctions effective. it is estimated that isil has a monthly income of $80 million. but the sources are variable, and there are six main categories. taxation on commerce, confiscation of property, trafficking of drugs and antiquities kidnap and isil controlled businesses. and although air strikes have targeted isil controlled oil fields the latest are that oil and gas contribute less than half of isils income, in fact, a recent u.n. study con officialed that the core finances continue to be mainly dearrived internally. through local taxation. for retail, industry, and on financial transactions too. isil demand as tax, payments levied at 2.5% of a person's capitol. farmers are taxed about 5% depending on the crop

paul brennen has this look at isil's finances. >> the u.n. committee has already imposed sanctions on 243 individuals the sanctions including travel bans and asset freezing. but understanding how as sin and the front finance their activities is crucial to making these sanctions effective. it is estimated that isil has a monthly income of $80 million. the sources of that funding are varied and variable, and there are six main categories. oil and gas production, faxization on commerce, confiscation of property, trafficking of drugs and antiquities and isil controlled businesses. and although air strikes with i the u.s., russia, france and others have targeted oil fields as a priority, latest estimates are that oil and gas contribute less than half of isil's income. in fact, a recent u.n. study confirmed isil's core finances continue to be mainly derived internally. through local taxation. there are taxes, on utilities such as electricity, and the internet. on retail, industry, and agriculture, and on financial transactions too. isil demands a f