Ive never bid on a cemetary before and was wondering if I could get some help.Total acres is about 13, normal headstones and borders around the plots. They do spray round-up about 3 times a year so not as much trimming as normal. I have a Toro Z100 44'' to use. I thought about getting a larger mower but many spots are to narrow. The 44'' will work best. I figured a rough estimate of 40 man hours. Is this about in line. Flat land with very few trees.