Summary

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= ( * ( / 100) + ( / 2) - ) * ( / 100)
= ( * ( / 100) + ( / 2)) * ( / 100)
= * (1 + ( / 100)) * (1 + (( + + ) / 100))
= * (1 + ( / 100)) * (1 + (( + + ) / 100))
= * 0.8
= * 0.99
= * 1.2
= * 1.5
= * (1 + (( + + ) / 100)) * (1 + (( + ) / 100)) * (1 + (( + ) / 100)) * (1 + (() / 100))
= * (1 + (( + + ) / 100)) * (1 + (( + ) / 100)) * (1 + (( + ) / 100)) * (1 + (() / 100))
= * (1 + (( + + ) / 100)) * (1 + (( + ) / 100)) * (1 + (( + ) / 100)) * (1 + (() / 100))
= * (1 + (() / 100)) * (( + + ) / 100)) * (1 + (( + ) / 100)) * (1 + (( + ) / 100)) * (1 + (() / 100))