Dr$.$ Wilson is buying a $50\%$ ownership in a veterinary practice by end$-$of$-$month payments of $$714\mathrm{.}60,$ including interest at $7\%$ compounded semiannually for $15$ years. a$.$ What valuation was placed on the partnership at the beginning of the payments? $($Do not round intermediate calculation. Round your final answer to the nearest dollar.$)$ Implied value $ $80000\mathrm{.}04$ Numeric Response $1.$ Edit Unavailable. $80000\mathrm{.}04$ incorrect. b$.$ What total amount of interest will she pay over the $15$ years? $($Do not round intermediate calculation. Round your final answer to the nearest dollar.$)$ Amount of interest