December 31, 2021, as compared to the year ended December 31, 2020, and cleaning fees, which increased by approximately $1,247,752, or 131%, as compared to the year ended December 31, 2020. Additionally, we had an processing fees period over period of approximately, $794,423, or 294%. Our processing fees increased due to higher processing volumes and increased rates charged by our processors. Cable and WIFI fees increased by approximately $293,747, or 144%, period over period.
Gross Profit (Loss)
The increase in our gross profit margins of $5,069,544 to $2,110,760 or approximately 171% for the year ended December 31, 2021 as compared to ($2,958,784) for the year ended December 31, 2020 is primarily attributable to a reduction in Covid-19 government related travel restrictions and shutdowns that reduced our occupancy rates during the three months ended December 31, 2020. We also benefited from non-recurring landlord concessions received as a result of the monumental disruptions caused by COVID in 2020 and 2021.
Total Operating Costs
Total operating costs incurred for the year ended December 31, 2021 increased by approximately 157% to $2,844,637 as compared to $1,107,240 for the year ended December 31, 2020. Operating costs include contracted services, selling and administrative expenses, professional fees, and software fees. During the year ended December 31, 2021 and 2020, our largest operating cost was contracted services of $1,771,004 and $521,993, respectively. The increase in total operating costs from 2020 to 2021 is primarily attributable to the operation of additional units during the period. Selling and administrative expenses increased for the year ended December 31, 2021 to $551,241 as compared to $351,774 for the year ended December 31, 2020 due to additional overhead costs. Professional legal and accounting fees increased for the year ended December 31, 2021 to $164,632 as compared to $61,512 for the year ended December 31, 2020 as a result of increased lease review and business operations. Software fees increased for the year ended December 31, 2021 to $329,952 as compared to $171,961 for the year ended December 31, 2020 as a result of increased unit counts resulting in additional revenue management and sales distribution software needs.
Total Other Revenue (Expense)
Total other revenue (expense), for the year ended December 31, 2021 was $(1,499,507) as compared to ($549,701) for the year ended December 31, 2020. These expenses are due to interest and financing costs related to borrowings for working capital.
Liquidity and Capital Resources
The following table provides information about our liquidity and capital resources as of June 30, 2022 and December 31, 2021:
| | | | | | | |
| | As of June 30, | | As of December 31, | |
| | 2022 | | 2021 | |
Cash | | $ | 566 | | $ | 6,998 | |
Other Current Assets | | $ | 6,640,637 | | $ | 1,272,428 | |
Total Current Assets | | $ | 6,641,193 | | $ | 1,279,426 | |
Total Current Liabilities | | $ | 25,143,248 | | $ | 9,519,725 | |
Working Capital (Deficit) | | $ | (18,502,055) | | $ | (8,240,299) | |
As of June 30, 2022, our cash balance was $566 as compared to $6,998 at December 31, 2021, and total current assets were $6,641,193 as compared to $1,279,426 at December 31, 2021.
As of June 30, 2022, our company had total current liabilities of $25,143,248 as compared to $9,519,725 at December 31, 2021. Total current liabilities at June 30, 2022 consisted of accounts payable and accrued expenses of $5,301,053 as compared to $4,209,366 at December 31, 2021, rents received in advance of $4,071,095 as compared to $1,819,943 at December 31, 2021, merchant cash advances of $575,489 as compared to $1,386,008 at December 31, 2021, loans payable of $7,263,230 as compared to $2,104,408 at December 31, 2021 and operating lease liability of $7,182,381 compared to a zero balance at December 31, 2021 as a result of the adoption of the ASC 842.
As of June 30, 2022, our company had a working capital deficit of $18,502,055 as compared to $8,240,299 at December 31, 2021. The decrease in working capital of $10,261,756 was primarily attributed to an increase in operating lease liability of $7,182,381 as a