Determine the upper$-$tail critical values of $F$ in each of the following two$-$tail tests.

a$.=0\mathrm{.}05,n_1=25,n_2=16$

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b$.=0\mathrm{.}10,n_1=25,n_2=16$

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c$.=0\mathrm{.}01,n_1=25,n_2=16$

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a$.$ The critical value of $F$ when $=0\mathrm{.}05,n_1=25,n_2=16$ is $2\mathrm{.}63.$

$($Round to two decimal places as needed.$)$

b$.$ The critical value of $F$ when $=0\mathrm{.}10,n_1=25,n_2=16$ is $2\mathrm{.}75.$

$($Round to two decimal places as needed.$)$

On October $31,2025,$ Cullumber Service Company issued a $$5160,8\%,5-$month note to Oriole County Bank. Cullumber accrued interest at December $31,2025.$ How much will Cullumber credit to cash to record the payment of the note at maturity?

$$5160$

$$7224$

$$5298$

$$5332$