in a music venue the ratio of the number of standing tickets to the number of seated tickets is 7:3 Seated tickets are either normal or premium. 30% of the seated tickets are premium seats. • The price of normal seats is 25% more than the price of standing seats. • The price of premium seats is 209 more than the price of normal seats. • One night, the venue is sold out. • The income from the 72 premium seats on this night is £2,592 Work out the total income of the venue on this night.