A new municipal refuse-collection truck can be purchased for $80,000. Its expected useful life is six years, at which time its market value will be zero. Annual receipts less expenses will be approximately $15,000 per year over the six-year study period. What's the present worth of this investment (assume a MARR of 18%)? what amount must this person now commit to the membership? Please only fill in the number of your calculated result in the blank, eg.if the result is S 100, fill in 100 . also round to the nearest integer. Note that the result could be negative