just parts E, F and G please and thanks

QUESTION 1 (30 MARKS) Valencia Manufacturing Company manufactures and sells musical gadgets. The business earned Operating Income of $220,000 in 2018, when selling price per unit was $200, and the president of Valencia is under pressure to increase operating income in 2019. Data for variable cost per unit and total fixed costs were as follows: Variable expenses per unit: $40 $32 Direct Material Direct Labour Variable Manufacturing Overhead Fixed Manufacturing Overhead Fixed Selling Costs Fixed Administrative Costs Fixed expenses: $190,000 $115,000 Required: Using the equation method, calculate the number of units sold in 2018. (4 marks) (b) Given the sales units calculated in Part (a), prepare a contribution margin income statement for the year ended December 31, 2018, detailing the composition of total fixed costs and clearly showing contribution and net income. (3 marks) Calculate Valencia's break-even point in units and in sales dollars. (3 marks) Calculate the margin of safety in units and in sales dollars. (2 marks) (c) (d)