Dear tutors, I need your help in answering my assignment promptly. Here is the question:

The following is data for 2018, 2019 and 2020 at PT. A ruler that produces a flexible ruler.

Selling price per unit $25_ Manufacturim tests: Variable per unit predated: Direet materials 3.0m} Direct labor $4.0 Variable everhead $1.0 Fixed - -.. ear $1.5 Selling and administrative costs: Variable per unit sold $2.0 Fixed I: a ear $1.4U m