Question: There is a problem here. Analyze the above and describe what may be the cause of the observed behavior.

Tyo Years ago DOOFUS COMPANY One year ago This gear INVENTORY... 65,043 72,543 67,101 PURCHASES 471,734 444,234 490,102 536,777 516,777 557,203 COST OF SALES 464,234 449,676 465,695 INVENTORYeoy 72,543 67,101 71,508 536,777 516,777 537.203 YOUCHERS PAYABLE... 25.114 29,785 30,671 PURCHASES 471,734 444,234 490,102 496,848 474,019 520,773 CASH DISBURSEMENTS 467,063 443,347 488,250 YOUCHERS PAYABLE... 29,785 30,671 32,524 496,848 474,019 520,773 SALES 592,312 598,235 604,217 TYO Years ago One gear ago 1-STANDARD DEVIATION LIMITS HIGH, LOWER UPPER LOW LIMIT LIMIT or OK? Standard deviatio D This year Average PUR/CD 1.010 1.002 1.004 1.006 0.0057 1.000 1.012 PURIINY 6.503 6.620 6.854 6.562 0.0832 6.478 6.645 PURICOS 1.016 0.988 1.052 1.002 0.0200 0.982 1.022 COSIINY 6.399 6.702 6.512 6.550 0.2136 6.337 6.764 VPe/CD 0.064 0.069 0.067 0.066 0.0038 0.063 0.070 COS/CD 0.994 1.014 0.954 1.004 0.0144 0.990 1.018 COSISALES 0.784 0.752 0.771 0.768 0.0227 0.745 0.790 Tyo Years ago DOOFUS COMPANY One year ago This gear INVENTORY... 65,043 72,543 67,101 PURCHASES 471,734 444,234 490,102 536,777 516,777 557,203 COST OF SALES 464,234 449,676 465,695 INVENTORYeoy 72,543 67,101 71,508 536,777 516,777 537.203 YOUCHERS PAYABLE... 25.114 29,785 30,671 PURCHASES 471,734 444,234 490,102 496,848 474,019 520,773 CASH DISBURSEMENTS 467,063 443,347 488,250 YOUCHERS PAYABLE... 29,785 30,671 32,524 496,848 474,019 520,773 SALES 592,312 598,235 604,217 TYO Years ago One gear ago 1-STANDARD DEVIATION LIMITS HIGH, LOWER UPPER LOW LIMIT LIMIT or OK? Standard deviatio D This year Average PUR/CD 1.010 1.002 1.004 1.006 0.0057 1.000 1.012 PURIINY 6.503 6.620 6.854 6.562 0.0832 6.478 6.645 PURICOS 1.016 0.988 1.052 1.002 0.0200 0.982 1.022 COSIINY 6.399 6.702 6.512 6.550 0.2136 6.337 6.764 VPe/CD 0.064 0.069 0.067 0.066 0.0038 0.063 0.070 COS/CD 0.994 1.014 0.954 1.004 0.0144 0.990 1.018 COSISALES 0.784 0.752 0.771 0.768 0.0227 0.745 0.790