Roxy's Recording Studio rents studio time to musicians in two-hour blocks. Each session includes the use of the studio facilities, a digital recording of the performance, and a professional music producer/mixer. Anticipated annual volume is 1,400 sessions. The company has invested $2,138,640 in the studio and expects a return on investment of 25%. Budgeted costs for the coming year are as follows: Total Direct materials (tapes, CDs, etc.) Direct labour Per Session $25 410 Variable overhead 60 Fixed overhead $1,344,000 35 Variable selling and administrative expenses Fixed selling and administrative expenses 728,000 (b) Determine the desired ROI per session. (Round answer to 2 decimal places, e.g. 15.25.) Desired ROI per session $