Answer:
$4,850
Explanation:
The free passes are customer discounts and does not qualifies for taxable in kind benefits. The $850 is an in-kind benefits and thus must be included in the gross income. Furthermore, the $4,000 fee reduction is all because of the university employment and thus must be included in the gross income.
The $30 worth of personal typing done by Richard's administrative assistant is a third party favor and this favor was not from the employer so it has nothing to do with tax.
The increase in taxable gross income will be as under:
Increase in Taxable Gross Income = $850 + $4,000 = $4,850