can you please tell me how we can solve net taxable gain for the year

the icon to view the list of assets ) Requirement 1. Calculate the capalal gain (oe loss) for each of the disposition in the cunont taxation yoor. The net taxabie pan for the year n List of assets Additional information. The horme was the principal tesidence for Dt. Smith and his fomer spouse for to years, ending in the current taxabon year. Last year, Dr. Smilh sold his cabin at the lake, which too claimod as his principal residence for two taxatoo years (the cabin at the lake was designated as Dr Smth's prencipad uesidence for the two most tecent tauafoe yais) Theretore. this home cannot be claimed as Dr. Smith's princpal residence for those yoars Vacant land $48,00000 $315,00000 Additional information. Dr. Smith bought this vacant land as an investment property. Since its purchase, the land has boen vacant and Dr. Smith has not eamed aryy income on the land, but he paid $1,500 in property taxes and $480 on mortgage inlesest on he land during this time. the icon to view the list of assets ) Requirement 1. Calculate the capalal gain (oe loss) for each of the disposition in the cunont taxation yoor. The net taxabie pan for the year n List of assets Additional information. The horme was the principal tesidence for Dt. Smith and his fomer spouse for to years, ending in the current taxabon year. Last year, Dr. Smilh sold his cabin at the lake, which too claimod as his principal residence for two taxatoo years (the cabin at the lake was designated as Dr Smth's prencipad uesidence for the two most tecent tauafoe yais) Theretore. this home cannot be claimed as Dr. Smith's princpal residence for those yoars Vacant land $48,00000 $315,00000 Additional information. Dr. Smith bought this vacant land as an investment property. Since its purchase, the land has boen vacant and Dr. Smith has not eamed aryy income on the land, but he paid $1,500 in property taxes and $480 on mortgage inlesest on he land during this time