b$)$ A regression of the percentage change in the Mexican peso $(MxN$ spot rate on the percentage change

in the peso futures price gives the following estimate:

$s_t^{\frac{\text{\$}}{M}xN}=+*fu{t}_t^{\frac{\text{\$}}{M}xN}+{}_t,$

where $$ and $$ as well as the spot rate and the six$-$month futures price are given below. The contract size

of the peso futures is MXN$500,000.$ How many futures contracts should an importer of Mexican tequila

buy or sell to hedge its MXN $2$ million obligation payable in four months? Is there any mismatch in your

hedge? Choose one of the followings: $1.$ volatility, $2.$ interest, $3.$ liquidity, $4.$ spot, $5.$ forward, $6.$

currency, $7.$ size, $8.$ inflation, $9.$ volume, $10.$ maturity.