Trey receives an invoice from MTZ Equipment and Storage dated December 5 th, 2016 for $1,360 with terms 6/5,1/15,n/35. This invoice was paid on December 19th, 2016. a. How many days were there between the date of the invoice, and when the invoice was paid? Number of days = days b. How much was the amount of the discount? Amount of discount = (round to the nearest cent) c. How much was paid? Amount paid = (round to the nearest cent) A company produces picture frames for which the variable cost is $18 per picture frame and the fixed costs are $40,000. They will sell the picture frames for $64 each. Let x be the number of picture frames produced and sold. a. Write the total cost TC as a function of the number of picture frames produced and sold. TC=$ b. Write the total revenue TR as a function of the number of picture frames produced and sold. TR=$ c. Write the total net income NI as a function of the number of picture frames produced and sold. NI=$ d. Find the number of picture frames which must be produced and sold to breakeven. The number of picture frames which must be produced and sold to breakeven is Round UP to the nearest whole number of picture frames