expenditure item ,
Puma Jiyu V Wn's Shoes
rental : 7 hours 200 yuan
ball : 2 cylinder +7 balls ,
Puma Lazy Insect, 194 yuan
Total: 394 yuan
Revenue
a total of 18 people (including Convenor )
6 human * 20 = 120
11 people * 25 = 275 yuan
Total 395 yuan
395-394 = 1元