He wrote the correct math. BEP = 500 gelas. Then, under the answer, he added a sentence:
Arga froze.
In the margin of page 127 (the scan was blurry), the previous owner had written not a formula, but a business plan. Buku Matematika Ekonomi Dan Bisnis Pdf
Arga felt a chill. He looked at the file name again: Matematika_Ekonomi_Bisnis_Scan_2008.pdf . The previous owner had scanned his own book in 2008, ten years ago.
Within seconds, a link appeared. A faded, scanned copy from 2008. The pages were crooked, some equations were cut off, and the margin notes from a previous reader were scribbled in faded blue ink. "Perfect," Arga whispered. He wrote the correct math
He named his future coffee shop: Titik Miring (The Tipping Point).
"Ibu, titik optimal secara matematis adalah 500 gelas. Namun, secara bisnis, waktu yang ideal adalah hari Senin depan. Saya punya rencana bisnis di margin halaman 127." In the margin of page 127 (the scan
Curious, Arga scrolled to the next page. Another note: "Laba maksimum terjadi saat MR = MC. Tapi kesempatan maksimum terjadi saat kenyamanan = 0." (Maximum profit occurs when MR = MC. But maximum opportunity occurs when comfort = 0.)