Insert a spin button in the Moore Pharmaceuticals model to change the discount rate in cell B8

Question:

Insert a spin button in the Moore Pharmaceuticals model to change the discount rate in cell B8 from 1% to 10% in increments of one tenth.

Discount Rate
Depending upon the context, the discount rate has two different definitions and usages. First, the discount rate refers to the interest rate charged to the commercial banks and other financial institutions for the loans they take from the Federal...