Statement The Government has made an appeal to all the citizens to honestly pay income tax and file returns reflecting the true income level to help the Government to carry out development activities. Assumptions I. People may now star paying more taxes in response to the appeal. II. The total income tax collection may considerably increase in near future.

• if only Assumption I is implicit
• if only Assumption II is implicit
• If either Assumption I or II is implicit
• if both Assumption I and II are implicit