Evaluate following questions:

1. $1265 (1 + 0.11587365) / { 1 + 0.12543365}

2. What is 25% of $185?

3. What is 40 % of $140.25?

4. How much is 140% of $50?

5.James manages a clothing store. His monthly remuneration has three components: a $2500 base salary, plus 2% of the amount by which the store's total sales volume for the month exceeds $40,000 plus 8% of the amount by which his personal sales exceed $4000. Calculate his gross compensation for a month in which his sales totaled $9900 and other staff had sales amounting to $109,260