Regarding Pfizer$$s acquisition of Biohaven, what amount of goodwill did Pfizer recognize on the acquisition date?

What effect, if any, did the acquisition of Biohaven have on Pfizer$$s GAAP income before income taxes on the date of the acquisition? $($Hint: was there a previously held equity interest that needed to be revalued?$)$ If the effect was positive $($negative$),$ enter your answer as a positive $($negative$)$ amount. If there was no effect, enter the number zero.

On the date of the acquisition, what effect, if any, did the acquisition of Biohaven have on Pfizer$$s total assets? If the effect was positive $($negative$),$ enter your answer as a positive $($negative$)$ amount. If there was no effect, enter the number zero.

On the date of the acquisition, what effect, if any, did the acquisition of Biohaven have on Pfizer$$s total liabilities? If the effect was positive $($negative$),$ enter your answer as a positive $($negative$)$ amount. If there was no effect, enter the number zero.

On the date of the acquisition, what effect, if any, did the acquisition of Biohaven have on Pfizer$$s total equity? If the effect was positive $($negative$),$ enter your answer as a positive $($negative$)$ amount. If there was no effect, enter the number zero.