Complete the following to explain how an imprest petty cash system works. maintaining the petty cash account at its
▼ is the nature of an imprest system. the imprest system requires that,
▼ , the petty cash box contains
▼ . this clearly identifies the
▼ amount of cash for which the custodian is responsible amount of cash in the bank account at month end , and it is the system's main internal control feature.

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