Over the past year, Ionia's money supply increased by $3 billion, $2billion in bonds were sold to the public, an unused military base was sold for $4 billion, and the government spent $20 billion. Ionia had a budget a. deficit. b. surplus. Determine the amount of Ionia's budget deficit or surplus. $ ____ billion Determine the amount of Ionia's tax revenue for the year. $____ billion