A pilot plant for a new product launch can be leased for 6,000 per month for 4 months. Electrical work at the site will cost 8,000. Shipping at the end of the 4 months will cost $1,000. A technician will cost 4,200 in month 4 to decommission the site. At an interest rate of 6% per year compounded monthly, what is the present worth of the project? Round to the nearest whole number.