$9)$What is the PV of a eight$-$period annual annuity of $$9,000$ if the interest rate per period is $6\%$ and the first payment is made today? a$.$$$41,441\mathrm{.}21$ b$.$$$27,145\mathrm{.}49$ c$.$$$59,241\mathrm{.}43$ d$.$$$43,381\mathrm{.}70$

$10)$ When subtracting an assets accumulated depreciation from its historic cost, the resulting value is termed the: a$.$Market value of the asset b$.$Depreciation Expense c$.$Net book value of the asset d$.$Current asset value