John's gross income is $1,000 per month. based on an assumption that 25% of his gross income will be withheld, he can expect his disposable (spendable) income to be per month.

JOhn's gross income is 1000 dollars per month. Based on assumption that 25% of his gross income will be withheld = 1000 * .25 = 250 dollars
=> 1000 - 250 dollars = 750
Thus, his spendable amount is 750 dollars.

Okay so it will be 1123