HL Company ("HL") manufactures and sells its product at a single retail outlet. The income statements for the month of June and July are as follows. HL uses absorption costing. There were no beginning and ending inventory for both June and July. The fixed portion of all expenses incurred remained constant for both months. Required: (a) Use available information to compute HL's monthly breakeven sales revenue. Clearly explain your approach and state any necessary assumption(s). (b) HL has a margin of safety of 40%, calculate the company's annual profit. (c) HL is considering an advertising campaign that will cost $40,000. The campaign is expected to achieve a 25% increase of the current annual net profit. Compute the sales revenue required to achieve the targeted profit increase