Jonty has a storage container in the shape of a cuboid, as shown in the diagram. Diagram NOT accurately drawn Jonty is going to paint the outside of his storage container, apart from the base which is shown shaded in the diagram. He needs enough paint to cover the four sides and the top. Each tin of paint covers an area of $$\(15 \mathrm{~m}^{2}\)$$ The cost of each tin of paint recently increased by $$\(10 \%\)$$ After the increase, the cost of each tin of paint is $$\(£ 26.95\)$$ Jonty says "Before the increase, I could have bought enough paint for less than $$\(£ 200 "\)$$ Show that Jonty is correct. Show your working clearly.

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