A $25-$year maturity, $74\%$ coupon bond paying coupons semiannually is calable in skx years at a call price of $$1480.$ The bond currently sells at a yield to maturity of $6\mathrm{.}4\%(3\mathrm{.}20\%$ per halfyear$).$

Required:

a$.$ What is the yleld to call?

Note: Do not round intermediate calculaions. Dound your answer to $2$ decimal places.

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Yeld is call $$

b$.$ What is the yield to call if the call price is only $$1,30?$

Note: Do not round intermediate calculations. Aound your anvwer to $2$ decimal places.

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Yild no call $$

c$.$ What is the yeld to call if the call price is $$1880$ but the bond can be called in three years inatead of six years? Note: Do not round intermediate calculations. Dound your answer to $2$ decimal places.

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Yeid to call $$