Answer:
a. The After-tax cost is $1,080 because this cost is not deductible
b. Municipal bonds provide returns that are tax deductible which means that half of of this interest will be tax deductible.
After-tax cost = 465 - (465 *0.5 * 37%)
= $379
c. Office supplies are full deductible for tax reasons so after-tax cost is;
= 965 * ( 1 - 37%)
= $608
d. The work boots are not deductible so the after-tax cost is the same as the cost of $675.