Interest versus dividend income Last year, Shering Corporation had pretax earnings of $$483,000.$ In addition, during the year it received $$21,000$ in income from interest on bonds it held in Zig Manufacturing and received $$21,000$ in income from dividends on its $6\%$ common stock holding in Tank Industries, Inc. Shering faces a flat $21\%$ tax rate and is eligible for a $50\%$ dividend exclusion on its Tank Industries stock.

a$.$ Calculate the firm's tax on its operating earnings only.

b$.$ Find the tax and the after$-$tax amount attributable to the interest income from Zig Manufacturing bonds.

c$.$ Find the tax and the after$-$tax amount attributable to the dividend income from the Tank Industries, Inc., common stock.

d$.$ Compare, contrast, and discuss the after$-$tax amounts resulting from the interest income and dividend income calculated in parts $b.$ and $c.$

e$.$ What is the firm's total tax liability for the year?

a$.$ The tax on operating earnings is $ $($Round to the nearest dollar.$)$