Answer:
option (C) 50 +

Explanation:
Data provided :
income tax = add 2 percent of one’s annual income to the average (arithmetic mean) of 100 units of Country R’s currency and 1 percent of one’s annual income
Annual income = I
Now,
2% of annual income = 0.02 × I
and,
the average of 100 units of Country R’s currency and 1 percent of one’s annual income
=

Therefore,
Total income tax = 0.02 × I +

or
=

=

= 50 +

= 50 +

or
= 50 +

= 50 +

Hence, the correct answer is option (C) 50 +
