I need help with the following in red -

Pharoah Department Store uses a perpetual inventory system. Data for product E2-D2 includes the following purchases. On June 1, Pharoah sold 26 units, and on August 27,39 more units. (a1) Your answer is correct. Calculate the weighted-awerage unit cost for each sale. (Round answers to 3 decimal ploces, e.g. 5.125.) June 1 sale $ Aug. 27 sale $ eTextbook and Media Attempts: 2 of 6 used (a2) Compute the cost of goods sold using FIFO, LIFO, and moving-werage methods. (Round onswers to 0 decimal ploces, eg. 125.)