Separate Company and Consolidated Income Statements for Pitta and Sojourn

Separate company and consolidated income statements for Pitta and Sojourn Corporations for the year ended December 31,2013 are summarized as follows:
$\begin{array}{llcl}& \underline{\text { Pitta}}& \underline{\text { Souiourn}}& \underline{\text { Consolidated}}\\\text { Sales Revenue } & \$ 500,000 & \$ 100,000 & \$ 600,000 \\\text { Income from Sojoum } & 19,900 & & \\\text { Bond interest income } & & 6,000 & \\\text { Gain on bond retirement } & & & 3,000 \\\text { Total revenues } & 519,900 & 106,000 & 603,000\end{array}$ $\begin{array}{llll}\text { Cost of sales } & \$ 280,000 & \$ 50,000 & \$ 330,000 \\\text { Bond interest expense } & 9,000 & & 3,600 \\\text { Other expenses } & \underline{120,900} & \underline{31,000} & \underline{151,900} \\\text { Total expenses } & \underline{409,900} & \underline{81,000} & \underline{485,500} \\\text { Consolidated net income } & & &\underline{ 117,500}\\\text { Noncontrolling interest share } & & &\underline{7,500}\end{array}$
Separate net income and
Control.interest share in
The interest income and expense eliminations relate to a $100,000,9% bond issue that was issued at par value and matures on January 1,2018.On January 2,2013,a portion of the bonds was purchased and constructively retired.
Required: Answer the following questions.
1.Which company is the issuing affiliate of the bonds payable?
2.What is the gain or loss from the constructive retirement of the bonds payable that is reported on the consolidated income statement for 2013?
3.What portion of the bonds payable is held by nonaffiliates at December 31,2013?
4.Is Sojourn a wholly-owned subsidiary? If not,what percentage does Pitta own?
5.Does the purchasing affiliate use straight-line or effective interest amortization?
6.Explain the calculation of Pitta's $19,900 income from Sojourn.