Write a program based on the existing vb script

Employer
Fabius
Project parameters
Type of cooperationPeriodic employment
SectionSoftware development
Prepaymentwithout prepayment
Payment methodsBank transfer
Acceptance of requestsfrom Aug 23, 2019 until Aug 26, 2019
Project description
There is a ready-made script in excel, you need to convert to python. The problem is associated with simple calculations on the basic formulas, all the details are present in the script.