Below is a list for Lolly's Lollipops expenses for the first half of 2023. Lolly sells each unit for $16. Expenses Revenue Direct Mat Direct Lab Sales Wages Rent Office Wages Jan 410,608 86,591 41,061 23,000 Feb 238,752 60,813 23,875 23,000 77,000 77,000 102,652 59,688 Mar 278,688 66,803 Apr 189,872 53,481 27,869 18,987 23,000 23,000 77,000 69,672 77,000 47,468 May Jun 222,608 175,392 58,391 51,309 22,261 23,000 17,539 23,000 77,000 77,000 55,652 43,848 Required-worth 7 marks: a) Based on the above information, give the total variable cost for each unit. b) Complete the profit formula for Lolly's Lollipops. c) How many units would Lolly have to sell to breakeven? d) If Lolly wanted to have a Margin of Safety of 25%, how many units would she need to sell?