This year, Leron and Sheena sold their home for $848,000 after all selling costs. Under the following scenarios, how much taxable gain does the home sale generate for Leron and Sheena? (Leave no answer blank. Enter zero if applicable.)a. Leron and Sheena bought the home three years ago for $160,000 and lived in the home until it soldb. Leron and Sheena bought the home one year ago for $672,000 and lived in the home until it sold. c. Leron and Sheena bought the home five years ago for $416,000. They lived in the home for three years until they decided to buy a smaller home. Their home has been vacant for the past two years.

Wo firms, a and b, each currently dump 50 tons of chemicals into the local river. the government has decided to reduce the pollution and from now on will require a pollution permit for each ton of pollution dumped into the river. it costs firm a $100 for each ton of pollution that it eliminates before it reaches the river, and it costs firm b $50 for each ton of pollution that it eliminates before it reaches the river. the government gives each firm 20 pollution permits. government officials are not sure whether to allow the firms to buy or sell the pollution permits to each other. what is the total cost of reducing pollution if firms are not allowed to buy and sell pollution permits from each other? what is the total cost of reducing pollution if the firms are allowed to buy and sell permits from each other? a. $3,000; $1,500 b. $4,500; $3,500 c. $4,500; $4,000 d. $4,500; $2,500