V n towards/toward n
The 'contribute' group
These verbs are concerned with providing part of a sum of money. The prepositional phrase indicates what the money has been or will be spent on.
The money will come in very handy. I'll spend it on the house or put it towards a holiday.
The preposition towards (or toward) is sometimes followed by an '-ing' clause.
Any spare money is put towards buying a flock of sheep.
The noun group following the verb is often an amount. This pattern is V amount towards/toward n.
The City of Paris contributed nine million dollars towards the cost of the French challenger for the Americas Cup.