The Rosa model of Mohave Corp. is currently manufactured as a very plain umbrella with no decoration. The company is considering changing this product to a much more decorative model by adding a silk-screened design and embellishments. A summary of the expected costs and revenues for Mohaves two options follows:

	Rosa Umbrella			Decorated Umbrella
Estimated demand		11,000	units		11,000	units
Estimated sales price	$	9.00		$	20.00
Estimated manufacturing cost per unit
Direct materials	$	3.50		$	5.50
Direct labor		1.50			4.00
Variable manufacturing overhead		0.50			2.50
Fixed manufacturing overhead		2.00			2.00
Unit manufacturing cost	$	7.50		$	14.00
Additional development cost				$	11,000

Required: 1. Determine the increase or decrease in profit if Mohave sells the Rosa Umbrella with the additional decorations.( Sales revenue, variable costs, contribution margin, additional development costs and differential profit for rose umbrella, decorated umbrella and incremental)

2. Should Mohave add decorations to the Rosa umbrella?

3-a. Suppose that the higher price of the decorated umbrella is expected to reduce estimated demand for this product to 9,000 units. Determine the increase or decrease in profit if Mohave sells the Rosa Umbrella with the additional decorations.( Sales revenue, variable costs, contribution margin, additional development costs and differential profit for rose umbrella, decorated umbrella and incremental)

3-b. Should Mohave add decorations to the Rosa umbrella?