The spot price of gold as of $1$st October is Rs$.2100/$g

The expected future spot price of gold for a futures contract expiring in $3$ months, i$.$e$.,$ on $31$st December is Rs$.2200/$g$.$

What should be the speculator$$s strategy if

$($a$)$ The futures price of gold for a futures contract, expiring in $3$ months, ending $31$st December is Rs$.2170/$g$.$

$($b$)$The futures price of gold for a futures contract expiring in $3$ months on $31$st

December is Rs$.2260/$g$.$