Piotroski by hand

Year $t-1$: NI 120, CFO 100, TA 1,500, TA at start 1,400, LTD 400, CA 600, CL 400, shares 50 cr, sales 1,800, COGS 1,260. Year $t$: NI 90, CFO 140, TA 1,550, TA at start 1,500, LTD 380, CA 640, CL 420, shares 55 cr, sales 1,950, COGS 1,340. Compute each signal and $F$.