The premium charged by an insurance company is at the following rates: Buildings: 15% per K₁₀₀ per annum. Contents: 25% per K₁₀₀ per annum. How much is the premium paid by a man who insures his house for K₃₃₆₀₀ and the contents for K₈₄₀₀?
a) K₇₅-6₀
b) K-6₇₂₀
c) K₅₈₈-0
d) K₅₀₄₀