Telephone World packages N5 Mobiles, with celluar calls and data packages. N5 Mobiles retail for $811.05 and celluar calls and data packages start from $25 per month. To help them get more well known they are advertising a new deal. In the new deal customers get a N5 Mobile phone, 3 years of celluar calls and data packages and a free set of head phones. If customers were to buy the head phones they would cost customers $100. The total package is marketed at $1500. Calculate what is the revenue amount recorded when the customer leaves the store with their new N5 Mobile and free set of head phones (Record to 2 decimal places). $ Telephone World packages N5 Mobiles, with celluar calls and data packages. N5 Mobiles retail for $850 and celluar calls and data packages start from $25 per month. To help them get more well known they are advertising a new deal. In the new deal customers get a N5 Mobile phone, 3 years of celluar calls and data packages and a free set of head phones. If customers were to buy the head phones they would cost customers $100. The total package is marketed at $1551.79. Calculate what is the monthly revenue amount for celluar calls and data services? (Record to 2 decimal places)