Answer:
a. Transaction 1
It is not deductible so the Taxable income is $9,000
Transaction 2
It is deductible, taxable income would be;
= 13,500 * ( 1 - Tax)
= 13,500 * ( 1 - 20%)
= $10,800
b. Transaction 1
It is not deductible so the Taxable income is $9,000
Transaction 2
It is deductible, taxable income would be;
= 13,500 * ( 1 - Tax)
= 13,500 * ( 1 - 40%)
= $8,100