Vail Company recorded the following selected transactions during November Current Year:Date General Journal Debit CreditNov. 5 Accounts Receivable-ski Shop 5,150 Sales 5,150 10 Accounts Receivable-Welcome Enterprises2,608 Sales 2,608 13 Accounts Receivable-Zia Natara 1,529 Sales 1,529 21 Sales Returns and Allowances 394 Accounts Receivable-zia Natara 394 30 Accounts Receivable-Ski Shop 5, 437 Sales 5, 437Prepare a general ledger having T-accounts for Accounts Receivable, Sales, and Sales Returns and Allowances. Post these entries to both the general ledger and the accounts receivable ledger.

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