Calculation:

$17.$ The able hcre shows the no$-$arbitrage prices of securitio A and $B$ thar we calculated in Saction $3\mathrm{.}6.$

$\backslash$table$[[$Secariry$,\backslash$table$[[$Market Price$],[$Today$]],$Cunh Flow in One Year$],[$Weak Economy,Surong Economy$],[$Securiry A$,230\mathrm{.}7,0,600],[$Socurity B$,346\mathrm{.}77,000,u$