Corporate Tax Liability

The Talley Corporation had taxable operating income of $$500,000($i$.$e$.,$ earnings from operating revenues minus all operating costs$).$ Talley also had $(1)$ interest charges of $$70,000,(2)$ dividends received of $$20,000,$ and $(3)$ dividends paid of $$30,000.$ Its federal tax rate was $21\%($ignore any possible state corporate taxes$).$ Recall that $50\%$ of dividends received are tax exempt.

What is the firm's taxable income? Round your answer to the nearest dollar.

$ What is the tax expense? Round your answers to the nearest dollar.

$ What is the after$-$tax income? Round your answers to the nearest dollar.

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Its due in $1$ hour and i am having a hard time please help me