Answer:
The minimum number of customers that result in accepting the project is 17,449
Explanation:
From the attached spreadsheet, we found the below :
(((13X -100000)*10.67478)+146017.9) =1500000
(13X-100000)*10.67478=-146017.9+1500000
(13X-100000)* 10.67478=1353982.1
13X-100000=1353982.1 /10.67478
13X=126839.3447 +100000
13X=226839.3447
X=226839.3447/13
X=17449.18