Donald Duck has Net Income for Tax Purposes of $$74,200$ all of which is

employment income. His employer withheld the maximum EI premium and

CPP contribution. He is married to Eva Aguilar whose Net Income for

Tax Purposes is $$3,920.$ They have three children aged $6,10,$ and $12.$

All of the children are in good health and none of them have income of

their own.

Required total credit