Open$-$end Fund A has $197$ shares of ATT valued at $$51$ each and $46$ shares of Toro valued at $$91$ each. Closed$-$end Fund B has $91$ shares of ATT and $88$ shares of Toro. Both funds have $1,000$ shares outstanding.

a$.$ What is the NAV of each fund using these prices? $($Round your answers to $3$ decimal places. $($e$.$g$.,32\mathrm{.}161))$

b$.$ If the price of ATT stock increases to $$52\mathrm{.}25$ and the price of Toro stock declines to $$88\mathrm{.}292,$ how does that impact the NAV both funds? $($Negative amounts should be indicated by a minus sign. Do not round intermediate calculations. Round your answers to $2$ decimal places. $($e$.$g$.,32\mathrm{.}16))$

c$.$ Assume that another $171$ shares of ATT valued at $$51$ are added to Fund $A.$ The funds needed to buy the new shares are obtained by selling $613$ more shares in Fund A$.$ What is the effect on Fund A$\text{'}$s NAV if the prices remain unchanged from the original prices?

$\backslash$table$[[$a$.,$NAV of Fund $A,$$$12,962\mathrm{.}000,],[$NAV of Fund B$,$$$11,704\mathrm{.}000,],[$b$.,$Percentage change in NAV Fund $A,1\mathrm{.}05,\%$