Average operating assets are calculated as

Question $10$Select one:

a$.$

$($Beginning net book value $+$ Ending net book value$)/2$

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b$.$

$($Beginning net book value $-$ Ending net book value$)/2$

cross out

c$.$

$($Beginning fair market value $+$ Ending fair market value$)/2$

cross out

d$.$

$($Beginning fair market value $-$ Ending fair market value$)/2$