Please show the formulas used to solve. My formulas keep on resulting to "Solver could not find a feasible solution".

Total maintenance cost Purchase quantity Total purchase cost $ Purchase cost per Rental price per Maintenance cost unit day per day $ 8,700.00 $ 150.00 $ 15.00 $ 11,000.00 $ 200.00 $ 20.00 $ 15,000.00 $ 400.00 $ 25.00 Type of Jet Ski one-person jet ski two-person jet ski four-person jet ski Total revenue from rental $ - $ - Total profit $ $ - $ - $ Grand Total 0 Rental season in days 90 Constraints Budget of $100,000 for grand total purchase cost of jet skis Quantities to purchase: At least 3 one-person jet skis No more than 3 four-person jet skis Problem Formulation Objective: Deision Variables explicit constraints F2,F3,F4 G5=3 F2,F3,F4>=0 F2, F3,F4 integer Implicit constraints Total maintenance cost Purchase quantity Total purchase cost $ Purchase cost per Rental price per Maintenance cost unit day per day $ 8,700.00 $ 150.00 $ 15.00 $ 11,000.00 $ 200.00 $ 20.00 $ 15,000.00 $ 400.00 $ 25.00 Type of Jet Ski one-person jet ski two-person jet ski four-person jet ski Total revenue from rental $ - $ - Total profit $ $ - $ - $ Grand Total 0 Rental season in days 90 Constraints Budget of $100,000 for grand total purchase cost of jet skis Quantities to purchase: At least 3 one-person jet skis No more than 3 four-person jet skis Problem Formulation Objective: Deision Variables explicit constraints F2,F3,F4 G5=3 F2,F3,F4>=0 F2, F3,F4 integer Implicit constraints