up vote 8 down vote accepted. I fixed a leak in my coolant tank (which is the exact same plastic) using a few strips of plastic* cut from a spray bottle I bought at a hardware store. You can either use a heat gun or a soldering iron to melt the plastic into place.
Hourly Wage: Enter your hourly wage. Number of paid hours per week: Average number of hours you are paid for each work week. Number of days you work per week. Average number of days you work during each week: Annual Salary: This is what your hourly pay translates into per year, (HOURLY PAY X HOURS PER WEEK X 52.14).
Calculating Annual Salary for Wage Earners. 1  1. Determine if you are a wage earner. 2  2. Find out your hourly salary. 3  3. Multiply to calculate your annual salary if you work a fixed number of hours per week.  4. Average your weekly number of hours if you work a different amount each 1  week. 5. Add in overtime payments if applicable.