For $Ki2,$ where $i=1,2,3,$ pick from all the strike prices available in the option chain, pick the one

that is closest to the current share price $,$ i$.$e$.$ the option is roughly at the money:

For $Ki1,$ where $i=1,2,$ from all the strike prices available in the option chain, pick the one that is

closest to of the current share price $\{$:$P_1).$ As for $K31,$ make it equal to $K33,$ as sho

below:

For K$13,$ from all the strike prices available in the option chain, pick the one that is closest to

$1\mathrm{.}05**P1(5\%$ of the current share price P$1).$

For K$23,$ from all the strike prices available in the option chain, pick the one that is closest to

of the current share price $P2$

For K$33,$ from all the strike prices available in the option chain, pick the one that is closest to

$1\mathrm{.}07**$ P$3(107\%$ of the current share price P$3)$

Make K$31$ equal to K $33$

If there are more than one option expiration dates for a given month pick the last one available. $10$