$1$ b$)$ The Unique Toys Company is a toy manufacturer. Currently, it sells $300,000$ units per year @$$12\mathrm{.}50$ per unit. The variable costs are $$7$ per unit and Fixed Costs are $$880,000.$ Calculate the following:

a$)$ Net Operating Income

b$)$ Breakeven point in Revenues

Calculate the new Operating Income under the following scenarios:

a$)10\%$ increase in variable costs

b$)$ $$250,000$ increase in Fixed Costs

c$)10\%$ decrease in Selling Price and $10\%$ increase in variable costs.